Home / 57,184.47-78,942.45-38,075.55

Finding the Fourth Proportional to 57,184.47, 78,942.45 and 38,075.55

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Solution

The fourth proportional to 57,184.47, 78,942.45 and 38,075.55 is: 52,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,184.47 : 78,942.45 = 38,075.55 : x
  2. Step 2: Convert to fraction form
    57,184.47/78,942.45 = 38,075.55/x
  3. Step 3: Cross multiply
    57,184.47x = 78,942.45 × 38,075.55
  4. Step 4: Simplify right side
    57,184.47x = 3,005,777,202.10
  5. Step 5: Solve for x
    x = 3,005,777,202.10/57,184.47
  6. Step 6: Final answer
    x = 52,562.82

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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.