Home / 89,288.28-123,219.36-49,005.80

Finding the Fourth Proportional to 89,288.28, 123,219.36 and 49,005.80

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Solution

The fourth proportional to 89,288.28, 123,219.36 and 49,005.80 is: 67,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.28 : 123,219.36 = 49,005.80 : x
  2. Step 2: Convert to fraction form
    89,288.28/123,219.36 = 49,005.80/x
  3. Step 3: Cross multiply
    89,288.28x = 123,219.36 × 49,005.80
  4. Step 4: Simplify right side
    89,288.28x = 6,038,463,312.29
  5. Step 5: Solve for x
    x = 6,038,463,312.29/89,288.28
  6. Step 6: Final answer
    x = 67,628.85

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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.