Home / 57,985.88-80,036.28-34,120.25

Finding the Fourth Proportional to 57,985.88, 80,036.28 and 34,120.25

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Solution

The fourth proportional to 57,985.88, 80,036.28 and 34,120.25 is: 47,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985.88 : 80,036.28 = 34,120.25 : x
  2. Step 2: Convert to fraction form
    57,985.88/80,036.28 = 34,120.25/x
  3. Step 3: Cross multiply
    57,985.88x = 80,036.28 × 34,120.25
  4. Step 4: Simplify right side
    57,985.88x = 2,730,857,882.67
  5. Step 5: Solve for x
    x = 2,730,857,882.67/57,985.88
  6. Step 6: Final answer
    x = 47,095.22

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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.