Home / 89,406.04-123,382.40-49,122.32

Finding the Fourth Proportional to 89,406.04, 123,382.40 and 49,122.32

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Solution

The fourth proportional to 89,406.04, 123,382.40 and 49,122.32 is: 67,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,406.04 : 123,382.40 = 49,122.32 : x
  2. Step 2: Convert to fraction form
    89,406.04/123,382.40 = 49,122.32/x
  3. Step 3: Cross multiply
    89,406.04x = 123,382.40 × 49,122.32
  4. Step 4: Simplify right side
    89,406.04x = 6,060,829,735.17
  5. Step 5: Solve for x
    x = 6,060,829,735.17/89,406.04
  6. Step 6: Final answer
    x = 67,789.94

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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.