Home / 60,131.04-82,987.38-38,643.90

Finding the Fourth Proportional to 60,131.04, 82,987.38 and 38,643.90

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Solution

The fourth proportional to 60,131.04, 82,987.38 and 38,643.90 is: 53,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,131.04 : 82,987.38 = 38,643.90 : x
  2. Step 2: Convert to fraction form
    60,131.04/82,987.38 = 38,643.90/x
  3. Step 3: Cross multiply
    60,131.04x = 82,987.38 × 38,643.90
  4. Step 4: Simplify right side
    60,131.04x = 3,206,956,013.98
  5. Step 5: Solve for x
    x = 3,206,956,013.98/60,131.04
  6. Step 6: Final answer
    x = 53,332.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.