Home / 86,369.74-129,559.26-27,210.04

Finding the Fourth Proportional to 86,369.74, 129,559.26 and 27,210.04

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Solution

The fourth proportional to 86,369.74, 129,559.26 and 27,210.04 is: 40,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,369.74 : 129,559.26 = 27,210.04 : x
  2. Step 2: Convert to fraction form
    86,369.74/129,559.26 = 27,210.04/x
  3. Step 3: Cross multiply
    86,369.74x = 129,559.26 × 27,210.04
  4. Step 4: Simplify right side
    86,369.74x = 3,525,312,646.97
  5. Step 5: Solve for x
    x = 3,525,312,646.97/86,369.74
  6. Step 6: Final answer
    x = 40,816.52

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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.