Home / 86,105.04-129,087.88-26,910.24

Finding the Fourth Proportional to 86,105.04, 129,087.88 and 26,910.24

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Solution

The fourth proportional to 86,105.04, 129,087.88 and 26,910.24 is: 40,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,105.04 : 129,087.88 = 26,910.24 : x
  2. Step 2: Convert to fraction form
    86,105.04/129,087.88 = 26,910.24/x
  3. Step 3: Cross multiply
    86,105.04x = 129,087.88 × 26,910.24
  4. Step 4: Simplify right side
    86,105.04x = 3,473,785,831.89
  5. Step 5: Solve for x
    x = 3,473,785,831.89/86,105.04
  6. Step 6: Final answer
    x = 40,343.58

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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.