Home / 86,624.20-129,925.35-27,460.45

Finding the Fourth Proportional to 86,624.20, 129,925.35 and 27,460.45

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Solution

The fourth proportional to 86,624.20, 129,925.35 and 27,460.45 is: 41,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,624.20 : 129,925.35 = 27,460.45 : x
  2. Step 2: Convert to fraction form
    86,624.20/129,925.35 = 27,460.45/x
  3. Step 3: Cross multiply
    86,624.20x = 129,925.35 × 27,460.45
  4. Step 4: Simplify right side
    86,624.20x = 3,567,808,577.41
  5. Step 5: Solve for x
    x = 3,567,808,577.41/86,624.20
  6. Step 6: Final answer
    x = 41,187.20

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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.