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Finding the Fourth Proportional to 67,475.52, 93,126.24 and 65,410.56

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Solution

The fourth proportional to 67,475.52, 93,126.24 and 65,410.56 is: 90,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,475.52 : 93,126.24 = 65,410.56 : x
  2. Step 2: Convert to fraction form
    67,475.52/93,126.24 = 65,410.56/x
  3. Step 3: Cross multiply
    67,475.52x = 93,126.24 × 65,410.56
  4. Step 4: Simplify right side
    67,475.52x = 6,091,439,509.09
  5. Step 5: Solve for x
    x = 6,091,439,509.09/67,475.52
  6. Step 6: Final answer
    x = 90,276.29

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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.