Home / 83,053.76-124,567.68-33,140.48

Finding the Fourth Proportional to 83,053.76, 124,567.68 and 33,140.48

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Solution

The fourth proportional to 83,053.76, 124,567.68 and 33,140.48 is: 49,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,053.76 : 124,567.68 = 33,140.48 : x
  2. Step 2: Convert to fraction form
    83,053.76/124,567.68 = 33,140.48/x
  3. Step 3: Cross multiply
    83,053.76x = 124,567.68 × 33,140.48
  4. Step 4: Simplify right side
    83,053.76x = 4,128,232,707.69
  5. Step 5: Solve for x
    x = 4,128,232,707.69/83,053.76
  6. Step 6: Final answer
    x = 49,705.55

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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.