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Finding the Fourth Proportional to 92,329.68, 127,411.26 and 52,051.80

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Solution

The fourth proportional to 92,329.68, 127,411.26 and 52,051.80 is: 71,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,329.68 : 127,411.26 = 52,051.80 : x
  2. Step 2: Convert to fraction form
    92,329.68/127,411.26 = 52,051.80/x
  3. Step 3: Cross multiply
    92,329.68x = 127,411.26 × 52,051.80
  4. Step 4: Simplify right side
    92,329.68x = 6,631,985,423.27
  5. Step 5: Solve for x
    x = 6,631,985,423.27/92,329.68
  6. Step 6: Final answer
    x = 71,829.40

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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.