Home / 89,460.76-123,458.64-49,177.62

Finding the Fourth Proportional to 89,460.76, 123,458.64 and 49,177.62

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Solution

The fourth proportional to 89,460.76, 123,458.64 and 49,177.62 is: 67,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,460.76 : 123,458.64 = 49,177.62 : x
  2. Step 2: Convert to fraction form
    89,460.76/123,458.64 = 49,177.62/x
  3. Step 3: Cross multiply
    89,460.76x = 123,458.64 × 49,177.62
  4. Step 4: Simplify right side
    89,460.76x = 6,071,402,083.64
  5. Step 5: Solve for x
    x = 6,071,402,083.64/89,460.76
  6. Step 6: Final answer
    x = 67,866.65

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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.