Home / 86,214.93-129,311.44-64,060.62

Finding the Fourth Proportional to 86,214.93, 129,311.44 and 64,060.62

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Solution

The fourth proportional to 86,214.93, 129,311.44 and 64,060.62 is: 96,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.93 : 129,311.44 = 64,060.62 : x
  2. Step 2: Convert to fraction form
    86,214.93/129,311.44 = 64,060.62/x
  3. Step 3: Cross multiply
    86,214.93x = 129,311.44 × 64,060.62
  4. Step 4: Simplify right side
    86,214.93x = 8,283,771,019.49
  5. Step 5: Solve for x
    x = 8,283,771,019.49/86,214.93
  6. Step 6: Final answer
    x = 96,082.79

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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.