Home / 84,421.68-126,585.73-34,536.79

Finding the Fourth Proportional to 84,421.68, 126,585.73 and 34,536.79

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Solution

The fourth proportional to 84,421.68, 126,585.73 and 34,536.79 is: 51,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,421.68 : 126,585.73 = 34,536.79 : x
  2. Step 2: Convert to fraction form
    84,421.68/126,585.73 = 34,536.79/x
  3. Step 3: Cross multiply
    84,421.68x = 126,585.73 × 34,536.79
  4. Step 4: Simplify right side
    84,421.68x = 4,371,864,774.01
  5. Step 5: Solve for x
    x = 4,371,864,774.01/84,421.68
  6. Step 6: Final answer
    x = 51,786.04

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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.