Home / 57,928.64-79,944.16-45,331.52

Finding the Fourth Proportional to 57,928.64, 79,944.16 and 45,331.52

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Solution

The fourth proportional to 57,928.64, 79,944.16 and 45,331.52 is: 62,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.64 : 79,944.16 = 45,331.52 : x
  2. Step 2: Convert to fraction form
    57,928.64/79,944.16 = 45,331.52/x
  3. Step 3: Cross multiply
    57,928.64x = 79,944.16 × 45,331.52
  4. Step 4: Simplify right side
    57,928.64x = 3,623,990,287.92
  5. Step 5: Solve for x
    x = 3,623,990,287.92/57,928.64
  6. Step 6: Final answer
    x = 62,559.56

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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.