Home / 57,715.08-79,648.06-31,873.55

Finding the Fourth Proportional to 57,715.08, 79,648.06 and 31,873.55

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Solution

The fourth proportional to 57,715.08, 79,648.06 and 31,873.55 is: 43,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,715.08 : 79,648.06 = 31,873.55 : x
  2. Step 2: Convert to fraction form
    57,715.08/79,648.06 = 31,873.55/x
  3. Step 3: Cross multiply
    57,715.08x = 79,648.06 × 31,873.55
  4. Step 4: Simplify right side
    57,715.08x = 2,538,666,452.67
  5. Step 5: Solve for x
    x = 2,538,666,452.67/57,715.08
  6. Step 6: Final answer
    x = 43,986.19

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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.