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Finding the Fourth Proportional to 92,750.52, 128,002.08 and 52,464.32

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Solution

The fourth proportional to 92,750.52, 128,002.08 and 52,464.32 is: 72,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,750.52 : 128,002.08 = 52,464.32 : x
  2. Step 2: Convert to fraction form
    92,750.52/128,002.08 = 52,464.32/x
  3. Step 3: Cross multiply
    92,750.52x = 128,002.08 × 52,464.32
  4. Step 4: Simplify right side
    92,750.52x = 6,715,542,085.79
  5. Step 5: Solve for x
    x = 6,715,542,085.79/92,750.52
  6. Step 6: Final answer
    x = 72,404.36

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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.