Home / 66,487.32-91,735.56-44,988.12

Finding the Fourth Proportional to 66,487.32, 91,735.56 and 44,988.12

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Solution

The fourth proportional to 66,487.32, 91,735.56 and 44,988.12 is: 62,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,487.32 : 91,735.56 = 44,988.12 : x
  2. Step 2: Convert to fraction form
    66,487.32/91,735.56 = 44,988.12/x
  3. Step 3: Cross multiply
    66,487.32x = 91,735.56 × 44,988.12
  4. Step 4: Simplify right side
    66,487.32x = 4,127,010,381.55
  5. Step 5: Solve for x
    x = 4,127,010,381.55/66,487.32
  6. Step 6: Final answer
    x = 62,072.14

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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.