Home / 86,213.36-129,322.20-23,883.68

Finding the Fourth Proportional to 86,213.36, 129,322.20 and 23,883.68

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Solution

The fourth proportional to 86,213.36, 129,322.20 and 23,883.68 is: 35,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.36 : 129,322.20 = 23,883.68 : x
  2. Step 2: Convert to fraction form
    86,213.36/129,322.20 = 23,883.68/x
  3. Step 3: Cross multiply
    86,213.36x = 129,322.20 × 23,883.68
  4. Step 4: Simplify right side
    86,213.36x = 3,088,690,041.70
  5. Step 5: Solve for x
    x = 3,088,690,041.70/86,213.36
  6. Step 6: Final answer
    x = 35,826.12

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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.