Home / 92,192.66-138,342.76-38,881.35

Finding the Fourth Proportional to 92,192.66, 138,342.76 and 38,881.35

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Solution

The fourth proportional to 92,192.66, 138,342.76 and 38,881.35 is: 58,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,192.66 : 138,342.76 = 38,881.35 : x
  2. Step 2: Convert to fraction form
    92,192.66/138,342.76 = 38,881.35/x
  3. Step 3: Cross multiply
    92,192.66x = 138,342.76 × 38,881.35
  4. Step 4: Simplify right side
    92,192.66x = 5,378,953,271.53
  5. Step 5: Solve for x
    x = 5,378,953,271.53/92,192.66
  6. Step 6: Final answer
    x = 58,344.70

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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.