Home / 57,645.18-85,894.73-51,356.88

Finding the Fourth Proportional to 57,645.18, 85,894.73 and 51,356.88

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Solution

The fourth proportional to 57,645.18, 85,894.73 and 51,356.88 is: 76,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.18 : 85,894.73 = 51,356.88 : x
  2. Step 2: Convert to fraction form
    57,645.18/85,894.73 = 51,356.88/x
  3. Step 3: Cross multiply
    57,645.18x = 85,894.73 × 51,356.88
  4. Step 4: Simplify right side
    57,645.18x = 4,411,285,084.46
  5. Step 5: Solve for x
    x = 4,411,285,084.46/57,645.18
  6. Step 6: Final answer
    x = 76,524.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.