Home / 86,104.04-129,086.38-26,909.24

Finding the Fourth Proportional to 86,104.04, 129,086.38 and 26,909.24

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Solution

The fourth proportional to 86,104.04, 129,086.38 and 26,909.24 is: 40,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,104.04 : 129,086.38 = 26,909.24 : x
  2. Step 2: Convert to fraction form
    86,104.04/129,086.38 = 26,909.24/x
  3. Step 3: Cross multiply
    86,104.04x = 129,086.38 × 26,909.24
  4. Step 4: Simplify right side
    86,104.04x = 3,473,616,380.15
  5. Step 5: Solve for x
    x = 3,473,616,380.15/86,104.04
  6. Step 6: Final answer
    x = 40,342.08

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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.