Home / 89,868.71-124,017.95-49,582.80

Finding the Fourth Proportional to 89,868.71, 124,017.95 and 49,582.80

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Solution

The fourth proportional to 89,868.71, 124,017.95 and 49,582.80 is: 68,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,868.71 : 124,017.95 = 49,582.80 : x
  2. Step 2: Convert to fraction form
    89,868.71/124,017.95 = 49,582.80/x
  3. Step 3: Cross multiply
    89,868.71x = 124,017.95 × 49,582.80
  4. Step 4: Simplify right side
    89,868.71x = 6,149,157,335.22
  5. Step 5: Solve for x
    x = 6,149,157,335.22/89,868.71
  6. Step 6: Final answer
    x = 68,423.78

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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.