Home / 81,348.01-122,209.32-57,714.23

Finding the Fourth Proportional to 81,348.01, 122,209.32 and 57,714.23

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Solution

The fourth proportional to 81,348.01, 122,209.32 and 57,714.23 is: 86,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,348.01 : 122,209.32 = 57,714.23 : x
  2. Step 2: Convert to fraction form
    81,348.01/122,209.32 = 57,714.23/x
  3. Step 3: Cross multiply
    81,348.01x = 122,209.32 × 57,714.23
  4. Step 4: Simplify right side
    81,348.01x = 7,053,217,324.58
  5. Step 5: Solve for x
    x = 7,053,217,324.58/81,348.01
  6. Step 6: Final answer
    x = 86,704.24

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1.5x scale

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.