Home / 102,044.16-140,814.72-57,335.04

Finding the Fourth Proportional to 102,044.16, 140,814.72 and 57,335.04

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Solution

The fourth proportional to 102,044.16, 140,814.72 and 57,335.04 is: 79,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,044.16 : 140,814.72 = 57,335.04 : x
  2. Step 2: Convert to fraction form
    102,044.16/140,814.72 = 57,335.04/x
  3. Step 3: Cross multiply
    102,044.16x = 140,814.72 × 57,335.04
  4. Step 4: Simplify right side
    102,044.16x = 8,073,617,603.79
  5. Step 5: Solve for x
    x = 8,073,617,603.79/102,044.16
  6. Step 6: Final answer
    x = 79,118.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.