Home / 92,631.69-127,834.11-56,841.48

Finding the Fourth Proportional to 92,631.69, 127,834.11 and 56,841.48

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Solution

The fourth proportional to 92,631.69, 127,834.11 and 56,841.48 is: 78,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,631.69 : 127,834.11 = 56,841.48 : x
  2. Step 2: Convert to fraction form
    92,631.69/127,834.11 = 56,841.48/x
  3. Step 3: Cross multiply
    92,631.69x = 127,834.11 × 56,841.48
  4. Step 4: Simplify right side
    92,631.69x = 7,266,280,006.88
  5. Step 5: Solve for x
    x = 7,266,280,006.88/92,631.69
  6. Step 6: Final answer
    x = 78,442.70

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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.