Home / 92,176.64-138,338.78-42,280.24

Finding the Fourth Proportional to 92,176.64, 138,338.78 and 42,280.24

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Solution

The fourth proportional to 92,176.64, 138,338.78 and 42,280.24 is: 63,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,176.64 : 138,338.78 = 42,280.24 : x
  2. Step 2: Convert to fraction form
    92,176.64/138,338.78 = 42,280.24/x
  3. Step 3: Cross multiply
    92,176.64x = 138,338.78 × 42,280.24
  4. Step 4: Simplify right side
    92,176.64x = 5,848,996,819.71
  5. Step 5: Solve for x
    x = 5,848,996,819.71/92,176.64
  6. Step 6: Final answer
    x = 63,454.22

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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.