Home / 89,503.40-123,517.89-49,220.28

Finding the Fourth Proportional to 89,503.40, 123,517.89 and 49,220.28

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Solution

The fourth proportional to 89,503.40, 123,517.89 and 49,220.28 is: 67,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.40 : 123,517.89 = 49,220.28 : x
  2. Step 2: Convert to fraction form
    89,503.40/123,517.89 = 49,220.28/x
  3. Step 3: Cross multiply
    89,503.40x = 123,517.89 × 49,220.28
  4. Step 4: Simplify right side
    89,503.40x = 6,079,585,130.81
  5. Step 5: Solve for x
    x = 6,079,585,130.81/89,503.40
  6. Step 6: Final answer
    x = 67,925.75

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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.