Home / 83,142.38-124,740.14-29,798.34

Finding the Fourth Proportional to 83,142.38, 124,740.14 and 29,798.34

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Solution

The fourth proportional to 83,142.38, 124,740.14 and 29,798.34 is: 44,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,142.38 : 124,740.14 = 29,798.34 : x
  2. Step 2: Convert to fraction form
    83,142.38/124,740.14 = 29,798.34/x
  3. Step 3: Cross multiply
    83,142.38x = 124,740.14 × 29,798.34
  4. Step 4: Simplify right side
    83,142.38x = 3,717,048,954.38
  5. Step 5: Solve for x
    x = 3,717,048,954.38/83,142.38
  6. Step 6: Final answer
    x = 44,707.03

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1.5x scale

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.