Home / 99,553.74-137,384.36-59,268.92

Finding the Fourth Proportional to 99,553.74, 137,384.36 and 59,268.92

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Solution

The fourth proportional to 99,553.74, 137,384.36 and 59,268.92 is: 81,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,553.74 : 137,384.36 = 59,268.92 : x
  2. Step 2: Convert to fraction form
    99,553.74/137,384.36 = 59,268.92/x
  3. Step 3: Cross multiply
    99,553.74x = 137,384.36 × 59,268.92
  4. Step 4: Simplify right side
    99,553.74x = 8,142,621,658.82
  5. Step 5: Solve for x
    x = 8,142,621,658.82/99,553.74
  6. Step 6: Final answer
    x = 81,791.22

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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.