Home / 91,043.76-125,569.17-59,222.82

Finding the Fourth Proportional to 91,043.76, 125,569.17 and 59,222.82

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Solution

The fourth proportional to 91,043.76, 125,569.17 and 59,222.82 is: 81,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,043.76 : 125,569.17 = 59,222.82 : x
  2. Step 2: Convert to fraction form
    91,043.76/125,569.17 = 59,222.82/x
  3. Step 3: Cross multiply
    91,043.76x = 125,569.17 × 59,222.82
  4. Step 4: Simplify right side
    91,043.76x = 7,436,560,352.46
  5. Step 5: Solve for x
    x = 7,436,560,352.46/91,043.76
  6. Step 6: Final answer
    x = 81,681.16

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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.