Home / 89,610.24-134,337.60-45,199.92

Finding the Fourth Proportional to 89,610.24, 134,337.60 and 45,199.92

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Solution

The fourth proportional to 89,610.24, 134,337.60 and 45,199.92 is: 67,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.24 : 134,337.60 = 45,199.92 : x
  2. Step 2: Convert to fraction form
    89,610.24/134,337.60 = 45,199.92/x
  3. Step 3: Cross multiply
    89,610.24x = 134,337.60 × 45,199.92
  4. Step 4: Simplify right side
    89,610.24x = 6,072,048,772.99
  5. Step 5: Solve for x
    x = 6,072,048,772.99/89,610.24
  6. Step 6: Final answer
    x = 67,760.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.