Home / 90,373.34-124,711.81-50,087.79

Finding the Fourth Proportional to 90,373.34, 124,711.81 and 50,087.79

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Solution

The fourth proportional to 90,373.34, 124,711.81 and 50,087.79 is: 69,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,373.34 : 124,711.81 = 50,087.79 : x
  2. Step 2: Convert to fraction form
    90,373.34/124,711.81 = 50,087.79/x
  3. Step 3: Cross multiply
    90,373.34x = 124,711.81 × 50,087.79
  4. Step 4: Simplify right side
    90,373.34x = 6,246,538,949.80
  5. Step 5: Solve for x
    x = 6,246,538,949.80/90,373.34
  6. Step 6: Final answer
    x = 69,119.27

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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.