Home / 83,689.78-125,518.44-23,717.74

Finding the Fourth Proportional to 83,689.78, 125,518.44 and 23,717.74

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Solution

The fourth proportional to 83,689.78, 125,518.44 and 23,717.74 is: 35,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,689.78 : 125,518.44 = 23,717.74 : x
  2. Step 2: Convert to fraction form
    83,689.78/125,518.44 = 23,717.74/x
  3. Step 3: Cross multiply
    83,689.78x = 125,518.44 × 23,717.74
  4. Step 4: Simplify right side
    83,689.78x = 2,977,013,725.13
  5. Step 5: Solve for x
    x = 2,977,013,725.13/83,689.78
  6. Step 6: Final answer
    x = 35,572.01

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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.