Home / 84,395.34-126,655.29-40,022.19

Finding the Fourth Proportional to 84,395.34, 126,655.29 and 40,022.19

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Solution

The fourth proportional to 84,395.34, 126,655.29 and 40,022.19 is: 60,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,395.34 : 126,655.29 = 40,022.19 : x
  2. Step 2: Convert to fraction form
    84,395.34/126,655.29 = 40,022.19/x
  3. Step 3: Cross multiply
    84,395.34x = 126,655.29 × 40,022.19
  4. Step 4: Simplify right side
    84,395.34x = 5,069,022,080.89
  5. Step 5: Solve for x
    x = 5,069,022,080.89/84,395.34
  6. Step 6: Final answer
    x = 60,062.82

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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.