Home / 92,117.17-138,008.89-42,238.99

Finding the Fourth Proportional to 92,117.17, 138,008.89 and 42,238.99

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Solution

The fourth proportional to 92,117.17, 138,008.89 and 42,238.99 is: 63,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117.17 : 138,008.89 = 42,238.99 : x
  2. Step 2: Convert to fraction form
    92,117.17/138,008.89 = 42,238.99/x
  3. Step 3: Cross multiply
    92,117.17x = 138,008.89 × 42,238.99
  4. Step 4: Simplify right side
    92,117.17x = 5,829,356,124.62
  5. Step 5: Solve for x
    x = 5,829,356,124.62/92,117.17
  6. Step 6: Final answer
    x = 63,281.97

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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.