Home / 57,370.20-86,013.36-38,603.58

Finding the Fourth Proportional to 57,370.20, 86,013.36 and 38,603.58

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Solution

The fourth proportional to 57,370.20, 86,013.36 and 38,603.58 is: 57,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370.20 : 86,013.36 = 38,603.58 : x
  2. Step 2: Convert to fraction form
    57,370.20/86,013.36 = 38,603.58/x
  3. Step 3: Cross multiply
    57,370.20x = 86,013.36 × 38,603.58
  4. Step 4: Simplify right side
    57,370.20x = 3,320,423,623.83
  5. Step 5: Solve for x
    x = 3,320,423,623.83/57,370.20
  6. Step 6: Final answer
    x = 57,877.15

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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.