Home / 89,447.04-123,439.87-49,162.23

Finding the Fourth Proportional to 89,447.04, 123,439.87 and 49,162.23

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Solution

The fourth proportional to 89,447.04, 123,439.87 and 49,162.23 is: 67,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,447.04 : 123,439.87 = 49,162.23 : x
  2. Step 2: Convert to fraction form
    89,447.04/123,439.87 = 49,162.23/x
  3. Step 3: Cross multiply
    89,447.04x = 123,439.87 × 49,162.23
  4. Step 4: Simplify right side
    89,447.04x = 6,068,579,280.11
  5. Step 5: Solve for x
    x = 6,068,579,280.11/89,447.04
  6. Step 6: Final answer
    x = 67,845.50

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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.