Home / 66,240.98-91,432.56-45,032.55

Finding the Fourth Proportional to 66,240.98, 91,432.56 and 45,032.55

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Solution

The fourth proportional to 66,240.98, 91,432.56 and 45,032.55 is: 62,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,240.98 : 91,432.56 = 45,032.55 : x
  2. Step 2: Convert to fraction form
    66,240.98/91,432.56 = 45,032.55/x
  3. Step 3: Cross multiply
    66,240.98x = 91,432.56 × 45,032.55
  4. Step 4: Simplify right side
    66,240.98x = 4,117,441,329.83
  5. Step 5: Solve for x
    x = 4,117,441,329.83/66,240.98
  6. Step 6: Final answer
    x = 62,158.52

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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.