Home / 88,717.28-122,424.64-48,423.04

Finding the Fourth Proportional to 88,717.28, 122,424.64 and 48,423.04

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Solution

The fourth proportional to 88,717.28, 122,424.64 and 48,423.04 is: 66,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.28 : 122,424.64 = 48,423.04 : x
  2. Step 2: Convert to fraction form
    88,717.28/122,424.64 = 48,423.04/x
  3. Step 3: Cross multiply
    88,717.28x = 122,424.64 × 48,423.04
  4. Step 4: Simplify right side
    88,717.28x = 5,928,173,239.71
  5. Step 5: Solve for x
    x = 5,928,173,239.71/88,717.28
  6. Step 6: Final answer
    x = 66,820.95

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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.