Home / 92,281.52-138,351.70-76,437.92

Finding the Fourth Proportional to 92,281.52, 138,351.70 and 76,437.92

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Solution

The fourth proportional to 92,281.52, 138,351.70 and 76,437.92 is: 114,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,281.52 : 138,351.70 = 76,437.92 : x
  2. Step 2: Convert to fraction form
    92,281.52/138,351.70 = 76,437.92/x
  3. Step 3: Cross multiply
    92,281.52x = 138,351.70 × 76,437.92
  4. Step 4: Simplify right side
    92,281.52x = 10,575,316,176.46
  5. Step 5: Solve for x
    x = 10,575,316,176.46/92,281.52
  6. Step 6: Final answer
    x = 114,598.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.