Home / 86,767.26-119,744.91-49,041.78

Finding the Fourth Proportional to 86,767.26, 119,744.91 and 49,041.78

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Solution

The fourth proportional to 86,767.26, 119,744.91 and 49,041.78 is: 67,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767.26 : 119,744.91 = 49,041.78 : x
  2. Step 2: Convert to fraction form
    86,767.26/119,744.91 = 49,041.78/x
  3. Step 3: Cross multiply
    86,767.26x = 119,744.91 × 49,041.78
  4. Step 4: Simplify right side
    86,767.26x = 5,872,503,532.34
  5. Step 5: Solve for x
    x = 5,872,503,532.34/86,767.26
  6. Step 6: Final answer
    x = 67,681.10

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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.