Home / 89,877.80-124,032.03-49,593.06

Finding the Fourth Proportional to 89,877.80, 124,032.03 and 49,593.06

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Solution

The fourth proportional to 89,877.80, 124,032.03 and 49,593.06 is: 68,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877.80 : 124,032.03 = 49,593.06 : x
  2. Step 2: Convert to fraction form
    89,877.80/124,032.03 = 49,593.06/x
  3. Step 3: Cross multiply
    89,877.80x = 124,032.03 × 49,593.06
  4. Step 4: Simplify right side
    89,877.80x = 6,151,127,719.74
  5. Step 5: Solve for x
    x = 6,151,127,719.74/89,877.80
  6. Step 6: Final answer
    x = 68,438.79

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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.