Home / 89,458.96-123,455.60-49,173.76

Finding the Fourth Proportional to 89,458.96, 123,455.60 and 49,173.76

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Solution

The fourth proportional to 89,458.96, 123,455.60 and 49,173.76 is: 67,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.96 : 123,455.60 = 49,173.76 : x
  2. Step 2: Convert to fraction form
    89,458.96/123,455.60 = 49,173.76/x
  3. Step 3: Cross multiply
    89,458.96x = 123,455.60 × 49,173.76
  4. Step 4: Simplify right side
    89,458.96x = 6,070,776,045.06
  5. Step 5: Solve for x
    x = 6,070,776,045.06/89,458.96
  6. Step 6: Final answer
    x = 67,861.02

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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.