Home / 91,099.76-125,718.13-50,265.29

Finding the Fourth Proportional to 91,099.76, 125,718.13 and 50,265.29

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Solution

The fourth proportional to 91,099.76, 125,718.13 and 50,265.29 is: 69,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.76 : 125,718.13 = 50,265.29 : x
  2. Step 2: Convert to fraction form
    91,099.76/125,718.13 = 50,265.29/x
  3. Step 3: Cross multiply
    91,099.76x = 125,718.13 × 50,265.29
  4. Step 4: Simplify right side
    91,099.76x = 6,319,258,325.68
  5. Step 5: Solve for x
    x = 6,319,258,325.68/91,099.76
  6. Step 6: Final answer
    x = 69,366.36

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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.