Home / 89,560.60-123,509.74-55,574.62

Finding the Fourth Proportional to 89,560.60, 123,509.74 and 55,574.62

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Solution

The fourth proportional to 89,560.60, 123,509.74 and 55,574.62 is: 76,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,560.60 : 123,509.74 = 55,574.62 : x
  2. Step 2: Convert to fraction form
    89,560.60/123,509.74 = 55,574.62/x
  3. Step 3: Cross multiply
    89,560.60x = 123,509.74 × 55,574.62
  4. Step 4: Simplify right side
    89,560.60x = 6,864,006,866.80
  5. Step 5: Solve for x
    x = 6,864,006,866.80/89,560.60
  6. Step 6: Final answer
    x = 76,640.92

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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.