Home / 81,809.19-122,714.10-24,883.65

Finding the Fourth Proportional to 81,809.19, 122,714.10 and 24,883.65

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Solution

The fourth proportional to 81,809.19, 122,714.10 and 24,883.65 is: 37,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,809.19 : 122,714.10 = 24,883.65 : x
  2. Step 2: Convert to fraction form
    81,809.19/122,714.10 = 24,883.65/x
  3. Step 3: Cross multiply
    81,809.19x = 122,714.10 × 24,883.65
  4. Step 4: Simplify right side
    81,809.19x = 3,053,574,714.47
  5. Step 5: Solve for x
    x = 3,053,574,714.47/81,809.19
  6. Step 6: Final answer
    x = 37,325.57

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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.