Home / 52,100.32-78,191.80-27,147.46

Finding the Fourth Proportional to 52,100.32, 78,191.80 and 27,147.46

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Solution

The fourth proportional to 52,100.32, 78,191.80 and 27,147.46 is: 40,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,100.32 : 78,191.80 = 27,147.46 : x
  2. Step 2: Convert to fraction form
    52,100.32/78,191.80 = 27,147.46/x
  3. Step 3: Cross multiply
    52,100.32x = 78,191.80 × 27,147.46
  4. Step 4: Simplify right side
    52,100.32x = 2,122,708,762.83
  5. Step 5: Solve for x
    x = 2,122,708,762.83/52,100.32
  6. Step 6: Final answer
    x = 40,742.72

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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.