Home / 86,566.40-129,849.60-58,499.90

Finding the Fourth Proportional to 86,566.40, 129,849.60 and 58,499.90

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Solution

The fourth proportional to 86,566.40, 129,849.60 and 58,499.90 is: 87,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,566.40 : 129,849.60 = 58,499.90 : x
  2. Step 2: Convert to fraction form
    86,566.40/129,849.60 = 58,499.90/x
  3. Step 3: Cross multiply
    86,566.40x = 129,849.60 × 58,499.90
  4. Step 4: Simplify right side
    86,566.40x = 7,596,188,615.04
  5. Step 5: Solve for x
    x = 7,596,188,615.04/86,566.40
  6. Step 6: Final answer
    x = 87,749.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.