Home / 57,101.29-78,795.95-31,605.93

Finding the Fourth Proportional to 57,101.29, 78,795.95 and 31,605.93

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Solution

The fourth proportional to 57,101.29, 78,795.95 and 31,605.93 is: 43,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,101.29 : 78,795.95 = 31,605.93 : x
  2. Step 2: Convert to fraction form
    57,101.29/78,795.95 = 31,605.93/x
  3. Step 3: Cross multiply
    57,101.29x = 78,795.95 × 31,605.93
  4. Step 4: Simplify right side
    57,101.29x = 2,490,419,121.95
  5. Step 5: Solve for x
    x = 2,490,419,121.95/57,101.29
  6. Step 6: Final answer
    x = 43,614.06

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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.