Home / 89,366.76-123,325.47-48,531.69

Finding the Fourth Proportional to 89,366.76, 123,325.47 and 48,531.69

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Solution

The fourth proportional to 89,366.76, 123,325.47 and 48,531.69 is: 66,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366.76 : 123,325.47 = 48,531.69 : x
  2. Step 2: Convert to fraction form
    89,366.76/123,325.47 = 48,531.69/x
  3. Step 3: Cross multiply
    89,366.76x = 123,325.47 × 48,531.69
  4. Step 4: Simplify right side
    89,366.76x = 5,985,193,479.14
  5. Step 5: Solve for x
    x = 5,985,193,479.14/89,366.76
  6. Step 6: Final answer
    x = 66,973.37

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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.