Home / 45,543.80-68,311.86-25,760.12

Finding the Fourth Proportional to 45,543.80, 68,311.86 and 25,760.12

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Solution

The fourth proportional to 45,543.80, 68,311.86 and 25,760.12 is: 38,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.80 : 68,311.86 = 25,760.12 : x
  2. Step 2: Convert to fraction form
    45,543.80/68,311.86 = 25,760.12/x
  3. Step 3: Cross multiply
    45,543.80x = 68,311.86 × 25,760.12
  4. Step 4: Simplify right side
    45,543.80x = 1,759,721,711.02
  5. Step 5: Solve for x
    x = 1,759,721,711.02/45,543.80
  6. Step 6: Final answer
    x = 38,638.01

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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.