Home / 83,227.61-124,783.10-30,630.26

Finding the Fourth Proportional to 83,227.61, 124,783.10 and 30,630.26

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Solution

The fourth proportional to 83,227.61, 124,783.10 and 30,630.26 is: 45,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,227.61 : 124,783.10 = 30,630.26 : x
  2. Step 2: Convert to fraction form
    83,227.61/124,783.10 = 30,630.26/x
  3. Step 3: Cross multiply
    83,227.61x = 124,783.10 × 30,630.26
  4. Step 4: Simplify right side
    83,227.61x = 3,822,138,643.45
  5. Step 5: Solve for x
    x = 3,822,138,643.45/83,227.61
  6. Step 6: Final answer
    x = 45,923.93

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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.