Home / 57,085.64-78,776.23-31,593.08

Finding the Fourth Proportional to 57,085.64, 78,776.23 and 31,593.08

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Solution

The fourth proportional to 57,085.64, 78,776.23 and 31,593.08 is: 43,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,085.64 : 78,776.23 = 31,593.08 : x
  2. Step 2: Convert to fraction form
    57,085.64/78,776.23 = 31,593.08/x
  3. Step 3: Cross multiply
    57,085.64x = 78,776.23 × 31,593.08
  4. Step 4: Simplify right side
    57,085.64x = 2,488,783,493.07
  5. Step 5: Solve for x
    x = 2,488,783,493.07/57,085.64
  6. Step 6: Final answer
    x = 43,597.37

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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.