Home / 83,837.92-125,798.32-61,749.22

Finding the Fourth Proportional to 83,837.92, 125,798.32 and 61,749.22

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Solution

The fourth proportional to 83,837.92, 125,798.32 and 61,749.22 is: 92,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,837.92 : 125,798.32 = 61,749.22 : x
  2. Step 2: Convert to fraction form
    83,837.92/125,798.32 = 61,749.22/x
  3. Step 3: Cross multiply
    83,837.92x = 125,798.32 × 61,749.22
  4. Step 4: Simplify right side
    83,837.92x = 7,767,948,137.31
  5. Step 5: Solve for x
    x = 7,767,948,137.31/83,837.92
  6. Step 6: Final answer
    x = 92,654.35

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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.