Home / 57,615.06-79,545.46-47,029.86

Finding the Fourth Proportional to 57,615.06, 79,545.46 and 47,029.86

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Solution

The fourth proportional to 57,615.06, 79,545.46 and 47,029.86 is: 64,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615.06 : 79,545.46 = 47,029.86 : x
  2. Step 2: Convert to fraction form
    57,615.06/79,545.46 = 47,029.86/x
  3. Step 3: Cross multiply
    57,615.06x = 79,545.46 × 47,029.86
  4. Step 4: Simplify right side
    57,615.06x = 3,741,011,847.44
  5. Step 5: Solve for x
    x = 3,741,011,847.44/57,615.06
  6. Step 6: Final answer
    x = 64,931.15

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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.