Home / 88,042.05-121,519.71-54,058.68

Finding the Fourth Proportional to 88,042.05, 121,519.71 and 54,058.68

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Solution

The fourth proportional to 88,042.05, 121,519.71 and 54,058.68 is: 74,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,042.05 : 121,519.71 = 54,058.68 : x
  2. Step 2: Convert to fraction form
    88,042.05/121,519.71 = 54,058.68/x
  3. Step 3: Cross multiply
    88,042.05x = 121,519.71 × 54,058.68
  4. Step 4: Simplify right side
    88,042.05x = 6,569,195,116.58
  5. Step 5: Solve for x
    x = 6,569,195,116.58/88,042.05
  6. Step 6: Final answer
    x = 74,614.29

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1.5x scale

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.