Home / 47,855.80-71,751.30-25,370.20

Finding the Fourth Proportional to 47,855.80, 71,751.30 and 25,370.20

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Solution

The fourth proportional to 47,855.80, 71,751.30 and 25,370.20 is: 38,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.80 : 71,751.30 = 25,370.20 : x
  2. Step 2: Convert to fraction form
    47,855.80/71,751.30 = 25,370.20/x
  3. Step 3: Cross multiply
    47,855.80x = 71,751.30 × 25,370.20
  4. Step 4: Simplify right side
    47,855.80x = 1,820,344,831.26
  5. Step 5: Solve for x
    x = 1,820,344,831.26/47,855.80
  6. Step 6: Final answer
    x = 38,038.12

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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.