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Finding the Fourth Proportional to 92,461.84, 127,565.64 and 52,170.64

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Solution

The fourth proportional to 92,461.84, 127,565.64 and 52,170.64 is: 71,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,461.84 : 127,565.64 = 52,170.64 : x
  2. Step 2: Convert to fraction form
    92,461.84/127,565.64 = 52,170.64/x
  3. Step 3: Cross multiply
    92,461.84x = 127,565.64 × 52,170.64
  4. Step 4: Simplify right side
    92,461.84x = 6,655,181,080.81
  5. Step 5: Solve for x
    x = 6,655,181,080.81/92,461.84
  6. Step 6: Final answer
    x = 71,977.60

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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.