Home / 99,302.40-137,023.79-59,001.48

Finding the Fourth Proportional to 99,302.40, 137,023.79 and 59,001.48

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Solution

The fourth proportional to 99,302.40, 137,023.79 and 59,001.48 is: 81,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.40 : 137,023.79 = 59,001.48 : x
  2. Step 2: Convert to fraction form
    99,302.40/137,023.79 = 59,001.48/x
  3. Step 3: Cross multiply
    99,302.40x = 137,023.79 × 59,001.48
  4. Step 4: Simplify right side
    99,302.40x = 8,084,606,110.20
  5. Step 5: Solve for x
    x = 8,084,606,110.20/99,302.40
  6. Step 6: Final answer
    x = 81,414.01

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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.