Home / 84,648.03-126,932.25-31,303.17

Finding the Fourth Proportional to 84,648.03, 126,932.25 and 31,303.17

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Solution

The fourth proportional to 84,648.03, 126,932.25 and 31,303.17 is: 46,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,648.03 : 126,932.25 = 31,303.17 : x
  2. Step 2: Convert to fraction form
    84,648.03/126,932.25 = 31,303.17/x
  3. Step 3: Cross multiply
    84,648.03x = 126,932.25 × 31,303.17
  4. Step 4: Simplify right side
    84,648.03x = 3,973,381,800.23
  5. Step 5: Solve for x
    x = 3,973,381,800.23/84,648.03
  6. Step 6: Final answer
    x = 46,940.04

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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.