Home / 92,612.16-138,951.54-36,421.14

Finding the Fourth Proportional to 92,612.16, 138,951.54 and 36,421.14

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Solution

The fourth proportional to 92,612.16, 138,951.54 and 36,421.14 is: 54,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612.16 : 138,951.54 = 36,421.14 : x
  2. Step 2: Convert to fraction form
    92,612.16/138,951.54 = 36,421.14/x
  3. Step 3: Cross multiply
    92,612.16x = 138,951.54 × 36,421.14
  4. Step 4: Simplify right side
    92,612.16x = 5,060,773,491.56
  5. Step 5: Solve for x
    x = 5,060,773,491.56/92,612.16
  6. Step 6: Final answer
    x = 54,644.81

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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.