Home / 83,020.13-124,614.93-60,767.40

Finding the Fourth Proportional to 83,020.13, 124,614.93 and 60,767.40

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Solution

The fourth proportional to 83,020.13, 124,614.93 and 60,767.40 is: 91,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,020.13 : 124,614.93 = 60,767.40 : x
  2. Step 2: Convert to fraction form
    83,020.13/124,614.93 = 60,767.40/x
  3. Step 3: Cross multiply
    83,020.13x = 124,614.93 × 60,767.40
  4. Step 4: Simplify right side
    83,020.13x = 7,572,525,297.28
  5. Step 5: Solve for x
    x = 7,572,525,297.28/83,020.13
  6. Step 6: Final answer
    x = 91,213.12

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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.