Home / 102,367.71-141,248.75-57,044.57

Finding the Fourth Proportional to 102,367.71, 141,248.75 and 57,044.57

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Solution

The fourth proportional to 102,367.71, 141,248.75 and 57,044.57 is: 78,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,367.71 : 141,248.75 = 57,044.57 : x
  2. Step 2: Convert to fraction form
    102,367.71/141,248.75 = 57,044.57/x
  3. Step 3: Cross multiply
    102,367.71x = 141,248.75 × 57,044.57
  4. Step 4: Simplify right side
    102,367.71x = 8,057,473,215.32
  5. Step 5: Solve for x
    x = 8,057,473,215.32/102,367.71
  6. Step 6: Final answer
    x = 78,711.08

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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.