Home / 99,355.26-137,062.07-59,040.50

Finding the Fourth Proportional to 99,355.26, 137,062.07 and 59,040.50

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Solution

The fourth proportional to 99,355.26, 137,062.07 and 59,040.50 is: 81,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,355.26 : 137,062.07 = 59,040.50 : x
  2. Step 2: Convert to fraction form
    99,355.26/137,062.07 = 59,040.50/x
  3. Step 3: Cross multiply
    99,355.26x = 137,062.07 × 59,040.50
  4. Step 4: Simplify right side
    99,355.26x = 8,092,212,716.83
  5. Step 5: Solve for x
    x = 8,092,212,716.83/99,355.26
  6. Step 6: Final answer
    x = 81,447.25

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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.