Home / 83,529.36-125,282.52-30,215.52

Finding the Fourth Proportional to 83,529.36, 125,282.52 and 30,215.52

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Solution

The fourth proportional to 83,529.36, 125,282.52 and 30,215.52 is: 45,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,529.36 : 125,282.52 = 30,215.52 : x
  2. Step 2: Convert to fraction form
    83,529.36/125,282.52 = 30,215.52/x
  3. Step 3: Cross multiply
    83,529.36x = 125,282.52 × 30,215.52
  4. Step 4: Simplify right side
    83,529.36x = 3,785,476,488.71
  5. Step 5: Solve for x
    x = 3,785,476,488.71/83,529.36
  6. Step 6: Final answer
    x = 45,319.11

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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.