Home / 92,177.14-138,339.53-42,280.74

Finding the Fourth Proportional to 92,177.14, 138,339.53 and 42,280.74

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Solution

The fourth proportional to 92,177.14, 138,339.53 and 42,280.74 is: 63,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,177.14 : 138,339.53 = 42,280.74 : x
  2. Step 2: Convert to fraction form
    92,177.14/138,339.53 = 42,280.74/x
  3. Step 3: Cross multiply
    92,177.14x = 138,339.53 × 42,280.74
  4. Step 4: Simplify right side
    92,177.14x = 5,849,097,699.65
  5. Step 5: Solve for x
    x = 5,849,097,699.65/92,177.14
  6. Step 6: Final answer
    x = 63,454.97

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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.