Home / 84,363.14-126,496.78-34,384.70

Finding the Fourth Proportional to 84,363.14, 126,496.78 and 34,384.70

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Solution

The fourth proportional to 84,363.14, 126,496.78 and 34,384.70 is: 51,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,363.14 : 126,496.78 = 34,384.70 : x
  2. Step 2: Convert to fraction form
    84,363.14/126,496.78 = 34,384.70/x
  3. Step 3: Cross multiply
    84,363.14x = 126,496.78 × 34,384.70
  4. Step 4: Simplify right side
    84,363.14x = 4,349,553,831.27
  5. Step 5: Solve for x
    x = 4,349,553,831.27/84,363.14
  6. Step 6: Final answer
    x = 51,557.51

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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.