Home / 99,356.26-137,063.45-59,041.50

Finding the Fourth Proportional to 99,356.26, 137,063.45 and 59,041.50

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Solution

The fourth proportional to 99,356.26, 137,063.45 and 59,041.50 is: 81,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,356.26 : 137,063.45 = 59,041.50 : x
  2. Step 2: Convert to fraction form
    99,356.26/137,063.45 = 59,041.50/x
  3. Step 3: Cross multiply
    99,356.26x = 137,063.45 × 59,041.50
  4. Step 4: Simplify right side
    99,356.26x = 8,092,431,683.18
  5. Step 5: Solve for x
    x = 8,092,431,683.18/99,356.26
  6. Step 6: Final answer
    x = 81,448.63

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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.