Home / 86,087.04-129,132.87-26,922.71

Finding the Fourth Proportional to 86,087.04, 129,132.87 and 26,922.71

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Solution

The fourth proportional to 86,087.04, 129,132.87 and 26,922.71 is: 40,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,087.04 : 129,132.87 = 26,922.71 : x
  2. Step 2: Convert to fraction form
    86,087.04/129,132.87 = 26,922.71/x
  3. Step 3: Cross multiply
    86,087.04x = 129,132.87 × 26,922.71
  4. Step 4: Simplify right side
    86,087.04x = 3,476,606,810.48
  5. Step 5: Solve for x
    x = 3,476,606,810.48/86,087.04
  6. Step 6: Final answer
    x = 40,384.79

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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.