Home / 89,146.19-123,021.18-48,862.46

Finding the Fourth Proportional to 89,146.19, 123,021.18 and 48,862.46

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Solution

The fourth proportional to 89,146.19, 123,021.18 and 48,862.46 is: 67,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,146.19 : 123,021.18 = 48,862.46 : x
  2. Step 2: Convert to fraction form
    89,146.19/123,021.18 = 48,862.46/x
  3. Step 3: Cross multiply
    89,146.19x = 123,021.18 × 48,862.46
  4. Step 4: Simplify right side
    89,146.19x = 6,011,117,242.59
  5. Step 5: Solve for x
    x = 6,011,117,242.59/89,146.19
  6. Step 6: Final answer
    x = 67,429.88

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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.