Home / 57,238.20-85,848.12-15,675.48

Finding the Fourth Proportional to 57,238.20, 85,848.12 and 15,675.48

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Solution

The fourth proportional to 57,238.20, 85,848.12 and 15,675.48 is: 23,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,238.20 : 85,848.12 = 15,675.48 : x
  2. Step 2: Convert to fraction form
    57,238.20/85,848.12 = 15,675.48/x
  3. Step 3: Cross multiply
    57,238.20x = 85,848.12 × 15,675.48
  4. Step 4: Simplify right side
    57,238.20x = 1,345,710,488.10
  5. Step 5: Solve for x
    x = 1,345,710,488.10/57,238.20
  6. Step 6: Final answer
    x = 23,510.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.