Home / 86,004.60-129,056.67-36,080.22

Finding the Fourth Proportional to 86,004.60, 129,056.67 and 36,080.22

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Solution

The fourth proportional to 86,004.60, 129,056.67 and 36,080.22 is: 54,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,004.60 : 129,056.67 = 36,080.22 : x
  2. Step 2: Convert to fraction form
    86,004.60/129,056.67 = 36,080.22/x
  3. Step 3: Cross multiply
    86,004.60x = 129,056.67 × 36,080.22
  4. Step 4: Simplify right side
    86,004.60x = 4,656,393,046.07
  5. Step 5: Solve for x
    x = 4,656,393,046.07/86,004.60
  6. Step 6: Final answer
    x = 54,141.21

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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.