Home / 83,863.18-125,742.66-39,501.10

Finding the Fourth Proportional to 83,863.18, 125,742.66 and 39,501.10

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Solution

The fourth proportional to 83,863.18, 125,742.66 and 39,501.10 is: 59,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.18 : 125,742.66 = 39,501.10 : x
  2. Step 2: Convert to fraction form
    83,863.18/125,742.66 = 39,501.10/x
  3. Step 3: Cross multiply
    83,863.18x = 125,742.66 × 39,501.10
  4. Step 4: Simplify right side
    83,863.18x = 4,966,973,386.93
  5. Step 5: Solve for x
    x = 4,966,973,386.93/83,863.18
  6. Step 6: Final answer
    x = 59,227.11

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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.