Home / 57,332.05-79,115.55-31,840.03

Finding the Fourth Proportional to 57,332.05, 79,115.55 and 31,840.03

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Solution

The fourth proportional to 57,332.05, 79,115.55 and 31,840.03 is: 43,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,332.05 : 79,115.55 = 31,840.03 : x
  2. Step 2: Convert to fraction form
    57,332.05/79,115.55 = 31,840.03/x
  3. Step 3: Cross multiply
    57,332.05x = 79,115.55 × 31,840.03
  4. Step 4: Simplify right side
    57,332.05x = 2,519,041,485.47
  5. Step 5: Solve for x
    x = 2,519,041,485.47/57,332.05
  6. Step 6: Final answer
    x = 43,937.75

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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.