Home / 102,363.29-141,265.71-57,041.33

Finding the Fourth Proportional to 102,363.29, 141,265.71 and 57,041.33

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Solution

The fourth proportional to 102,363.29, 141,265.71 and 57,041.33 is: 78,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,363.29 : 141,265.71 = 57,041.33 : x
  2. Step 2: Convert to fraction form
    102,363.29/141,265.71 = 57,041.33/x
  3. Step 3: Cross multiply
    102,363.29x = 141,265.71 × 57,041.33
  4. Step 4: Simplify right side
    102,363.29x = 8,057,983,275.47
  5. Step 5: Solve for x
    x = 8,057,983,275.47/102,363.29
  6. Step 6: Final answer
    x = 78,719.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.