Home / 89,913.13-124,071.28-49,624.29

Finding the Fourth Proportional to 89,913.13, 124,071.28 and 49,624.29

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Solution

The fourth proportional to 89,913.13, 124,071.28 and 49,624.29 is: 68,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,913.13 : 124,071.28 = 49,624.29 : x
  2. Step 2: Convert to fraction form
    89,913.13/124,071.28 = 49,624.29/x
  3. Step 3: Cross multiply
    89,913.13x = 124,071.28 × 49,624.29
  4. Step 4: Simplify right side
    89,913.13x = 6,156,949,179.39
  5. Step 5: Solve for x
    x = 6,156,949,179.39/89,913.13
  6. Step 6: Final answer
    x = 68,476.64

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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.