Home / 66,188.04-91,327.60-39,337.14

Finding the Fourth Proportional to 66,188.04, 91,327.60 and 39,337.14

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Solution

The fourth proportional to 66,188.04, 91,327.60 and 39,337.14 is: 54,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,188.04 : 91,327.60 = 39,337.14 : x
  2. Step 2: Convert to fraction form
    66,188.04/91,327.60 = 39,337.14/x
  3. Step 3: Cross multiply
    66,188.04x = 91,327.60 × 39,337.14
  4. Step 4: Simplify right side
    66,188.04x = 3,592,566,978.71
  5. Step 5: Solve for x
    x = 3,592,566,978.71/66,188.04
  6. Step 6: Final answer
    x = 54,278.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.