Home / 85,079.49-117,416.49-49,270.14

Finding the Fourth Proportional to 85,079.49, 117,416.49 and 49,270.14

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Solution

The fourth proportional to 85,079.49, 117,416.49 and 49,270.14 is: 67,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.49 : 117,416.49 = 49,270.14 : x
  2. Step 2: Convert to fraction form
    85,079.49/117,416.49 = 49,270.14/x
  3. Step 3: Cross multiply
    85,079.49x = 117,416.49 × 49,270.14
  4. Step 4: Simplify right side
    85,079.49x = 5,785,126,900.61
  5. Step 5: Solve for x
    x = 5,785,126,900.61/85,079.49
  6. Step 6: Final answer
    x = 67,996.73

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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.