Home / 57,505.95-86,152.01-31,232.79

Finding the Fourth Proportional to 57,505.95, 86,152.01 and 31,232.79

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Solution

The fourth proportional to 57,505.95, 86,152.01 and 31,232.79 is: 46,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,505.95 : 86,152.01 = 31,232.79 : x
  2. Step 2: Convert to fraction form
    57,505.95/86,152.01 = 31,232.79/x
  3. Step 3: Cross multiply
    57,505.95x = 86,152.01 × 31,232.79
  4. Step 4: Simplify right side
    57,505.95x = 2,690,767,480.24
  5. Step 5: Solve for x
    x = 2,690,767,480.24/57,505.95
  6. Step 6: Final answer
    x = 46,791.11

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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.