Home / 86,266.68-129,412.77-44,170.57

Finding the Fourth Proportional to 86,266.68, 129,412.77 and 44,170.57

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Solution

The fourth proportional to 86,266.68, 129,412.77 and 44,170.57 is: 66,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,266.68 : 129,412.77 = 44,170.57 : x
  2. Step 2: Convert to fraction form
    86,266.68/129,412.77 = 44,170.57/x
  3. Step 3: Cross multiply
    86,266.68x = 129,412.77 × 44,170.57
  4. Step 4: Simplify right side
    86,266.68x = 5,716,235,816.18
  5. Step 5: Solve for x
    x = 5,716,235,816.18/86,266.68
  6. Step 6: Final answer
    x = 66,262.38

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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.