Home / 84,141.96-126,041.22-52,448.28

Finding the Fourth Proportional to 84,141.96, 126,041.22 and 52,448.28

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Solution

The fourth proportional to 84,141.96, 126,041.22 and 52,448.28 is: 78,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.96 : 126,041.22 = 52,448.28 : x
  2. Step 2: Convert to fraction form
    84,141.96/126,041.22 = 52,448.28/x
  3. Step 3: Cross multiply
    84,141.96x = 126,041.22 × 52,448.28
  4. Step 4: Simplify right side
    84,141.96x = 6,610,645,198.10
  5. Step 5: Solve for x
    x = 6,610,645,198.10/84,141.96
  6. Step 6: Final answer
    x = 78,565.38

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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.