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Finding the Fourth Proportional to 92,494.64, 127,642.56 and 52,216.76

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Solution

The fourth proportional to 92,494.64, 127,642.56 and 52,216.76 is: 72,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,494.64 : 127,642.56 = 52,216.76 : x
  2. Step 2: Convert to fraction form
    92,494.64/127,642.56 = 52,216.76/x
  3. Step 3: Cross multiply
    92,494.64x = 127,642.56 × 52,216.76
  4. Step 4: Simplify right side
    92,494.64x = 6,665,080,921.31
  5. Step 5: Solve for x
    x = 6,665,080,921.31/92,494.64
  6. Step 6: Final answer
    x = 72,059.10

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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.