Home / 57,069.20-85,603.80-14,949.20

Finding the Fourth Proportional to 57,069.20, 85,603.80 and 14,949.20

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Solution

The fourth proportional to 57,069.20, 85,603.80 and 14,949.20 is: 22,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069.20 : 85,603.80 = 14,949.20 : x
  2. Step 2: Convert to fraction form
    57,069.20/85,603.80 = 14,949.20/x
  3. Step 3: Cross multiply
    57,069.20x = 85,603.80 × 14,949.20
  4. Step 4: Simplify right side
    57,069.20x = 1,279,708,326.96
  5. Step 5: Solve for x
    x = 1,279,708,326.96/57,069.20
  6. Step 6: Final answer
    x = 22,423.80

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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.