Home / 86,273.32-129,419.34-27,110.92

Finding the Fourth Proportional to 86,273.32, 129,419.34 and 27,110.92

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Solution

The fourth proportional to 86,273.32, 129,419.34 and 27,110.92 is: 40,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,273.32 : 129,419.34 = 27,110.92 : x
  2. Step 2: Convert to fraction form
    86,273.32/129,419.34 = 27,110.92/x
  3. Step 3: Cross multiply
    86,273.32x = 129,419.34 × 27,110.92
  4. Step 4: Simplify right side
    86,273.32x = 3,508,677,373.19
  5. Step 5: Solve for x
    x = 3,508,677,373.19/86,273.32
  6. Step 6: Final answer
    x = 40,669.32

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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.