Home / 86,114.28-129,051.12-41,729.26

Finding the Fourth Proportional to 86,114.28, 129,051.12 and 41,729.26

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Solution

The fourth proportional to 86,114.28, 129,051.12 and 41,729.26 is: 62,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,114.28 : 129,051.12 = 41,729.26 : x
  2. Step 2: Convert to fraction form
    86,114.28/129,051.12 = 41,729.26/x
  3. Step 3: Cross multiply
    86,114.28x = 129,051.12 × 41,729.26
  4. Step 4: Simplify right side
    86,114.28x = 5,385,207,739.77
  5. Step 5: Solve for x
    x = 5,385,207,739.77/86,114.28
  6. Step 6: Final answer
    x = 62,535.60

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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.