Home / 57,040.92-85,075.35-53,468.76

Finding the Fourth Proportional to 57,040.92, 85,075.35 and 53,468.76

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Solution

The fourth proportional to 57,040.92, 85,075.35 and 53,468.76 is: 79,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.92 : 85,075.35 = 53,468.76 : x
  2. Step 2: Convert to fraction form
    57,040.92/85,075.35 = 53,468.76/x
  3. Step 3: Cross multiply
    57,040.92x = 85,075.35 × 53,468.76
  4. Step 4: Simplify right side
    57,040.92x = 4,548,873,471.07
  5. Step 5: Solve for x
    x = 4,548,873,471.07/57,040.92
  6. Step 6: Final answer
    x = 79,747.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.