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Finding the Fourth Proportional to 67,372.80, 93,012.48 and 46,713.60

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Solution

The fourth proportional to 67,372.80, 93,012.48 and 46,713.60 is: 64,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372.80 : 93,012.48 = 46,713.60 : x
  2. Step 2: Convert to fraction form
    67,372.80/93,012.48 = 46,713.60/x
  3. Step 3: Cross multiply
    67,372.80x = 93,012.48 × 46,713.60
  4. Step 4: Simplify right side
    67,372.80x = 4,344,947,785.73
  5. Step 5: Solve for x
    x = 4,344,947,785.73/67,372.80
  6. Step 6: Final answer
    x = 64,491.13

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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.