Home / 88,098.17-121,576.38-47,812.28

Finding the Fourth Proportional to 88,098.17, 121,576.38 and 47,812.28

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Solution

The fourth proportional to 88,098.17, 121,576.38 and 47,812.28 is: 65,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,098.17 : 121,576.38 = 47,812.28 : x
  2. Step 2: Convert to fraction form
    88,098.17/121,576.38 = 47,812.28/x
  3. Step 3: Cross multiply
    88,098.17x = 121,576.38 × 47,812.28
  4. Step 4: Simplify right side
    88,098.17x = 5,812,843,134.77
  5. Step 5: Solve for x
    x = 5,812,843,134.77/88,098.17
  6. Step 6: Final answer
    x = 65,981.43

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1.5x scale

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.