Home / 57,350.87-79,141.52-31,858.89

Finding the Fourth Proportional to 57,350.87, 79,141.52 and 31,858.89

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Solution

The fourth proportional to 57,350.87, 79,141.52 and 31,858.89 is: 43,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,350.87 : 79,141.52 = 31,858.89 : x
  2. Step 2: Convert to fraction form
    57,350.87/79,141.52 = 31,858.89/x
  3. Step 3: Cross multiply
    57,350.87x = 79,141.52 × 31,858.89
  4. Step 4: Simplify right side
    57,350.87x = 2,521,360,980.11
  5. Step 5: Solve for x
    x = 2,521,360,980.11/57,350.87
  6. Step 6: Final answer
    x = 43,963.78

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1.5x scale

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.