Home / 89,455.86-123,449.40-49,173.12

Finding the Fourth Proportional to 89,455.86, 123,449.40 and 49,173.12

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Solution

The fourth proportional to 89,455.86, 123,449.40 and 49,173.12 is: 67,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455.86 : 123,449.40 = 49,173.12 : x
  2. Step 2: Convert to fraction form
    89,455.86/123,449.40 = 49,173.12/x
  3. Step 3: Cross multiply
    89,455.86x = 123,449.40 × 49,173.12
  4. Step 4: Simplify right side
    89,455.86x = 6,070,392,160.13
  5. Step 5: Solve for x
    x = 6,070,392,160.13/89,455.86
  6. Step 6: Final answer
    x = 67,859.08

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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.