Home / 86,090.52-129,143.22-23,761.02

Finding the Fourth Proportional to 86,090.52, 129,143.22 and 23,761.02

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Solution

The fourth proportional to 86,090.52, 129,143.22 and 23,761.02 is: 35,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,090.52 : 129,143.22 = 23,761.02 : x
  2. Step 2: Convert to fraction form
    86,090.52/129,143.22 = 23,761.02/x
  3. Step 3: Cross multiply
    86,090.52x = 129,143.22 × 23,761.02
  4. Step 4: Simplify right side
    86,090.52x = 3,068,574,633.28
  5. Step 5: Solve for x
    x = 3,068,574,633.28/86,090.52
  6. Step 6: Final answer
    x = 35,643.58

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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.