Home / 92,621.70-138,784.89-59,314.35

Finding the Fourth Proportional to 92,621.70, 138,784.89 and 59,314.35

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Solution

The fourth proportional to 92,621.70, 138,784.89 and 59,314.35 is: 88,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.70 : 138,784.89 = 59,314.35 : x
  2. Step 2: Convert to fraction form
    92,621.70/138,784.89 = 59,314.35/x
  3. Step 3: Cross multiply
    92,621.70x = 138,784.89 × 59,314.35
  4. Step 4: Simplify right side
    92,621.70x = 8,231,935,540.17
  5. Step 5: Solve for x
    x = 8,231,935,540.17/92,621.70
  6. Step 6: Final answer
    x = 88,876.96

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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.