Home / 88,099.17-121,577.76-47,813.28

Finding the Fourth Proportional to 88,099.17, 121,577.76 and 47,813.28

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Solution

The fourth proportional to 88,099.17, 121,577.76 and 47,813.28 is: 65,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.17 : 121,577.76 = 47,813.28 : x
  2. Step 2: Convert to fraction form
    88,099.17/121,577.76 = 47,813.28/x
  3. Step 3: Cross multiply
    88,099.17x = 121,577.76 × 47,813.28
  4. Step 4: Simplify right side
    88,099.17x = 5,813,031,480.65
  5. Step 5: Solve for x
    x = 5,813,031,480.65/88,099.17
  6. Step 6: Final answer
    x = 65,982.82

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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.