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Finding the Fourth Proportional to 62,214.32, 85,802.88 and 52,571

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Solution

The fourth proportional to 62,214.32, 85,802.88 and 52,571 is: 72,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,214.32 : 85,802.88 = 52,571 : x
  2. Step 2: Convert to fraction form
    62,214.32/85,802.88 = 52,571/x
  3. Step 3: Cross multiply
    62,214.32x = 85,802.88 × 52,571
  4. Step 4: Simplify right side
    62,214.32x = 4,510,743,204.48
  5. Step 5: Solve for x
    x = 4,510,743,204.48/62,214.32
  6. Step 6: Final answer
    x = 72,503.30

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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.