Home / 99,497.16-137,302.92-59,201.70

Finding the Fourth Proportional to 99,497.16, 137,302.92 and 59,201.70

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Solution

The fourth proportional to 99,497.16, 137,302.92 and 59,201.70 is: 81,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,497.16 : 137,302.92 = 59,201.70 : x
  2. Step 2: Convert to fraction form
    99,497.16/137,302.92 = 59,201.70/x
  3. Step 3: Cross multiply
    99,497.16x = 137,302.92 × 59,201.70
  4. Step 4: Simplify right side
    99,497.16x = 8,128,566,278.96
  5. Step 5: Solve for x
    x = 8,128,566,278.96/99,497.16
  6. Step 6: Final answer
    x = 81,696.47

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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.