Home / 52,658.20-78,833.70-51,122.20

Finding the Fourth Proportional to 52,658.20, 78,833.70 and 51,122.20

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Solution

The fourth proportional to 52,658.20, 78,833.70 and 51,122.20 is: 76,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,658.20 : 78,833.70 = 51,122.20 : x
  2. Step 2: Convert to fraction form
    52,658.20/78,833.70 = 51,122.20/x
  3. Step 3: Cross multiply
    52,658.20x = 78,833.70 × 51,122.20
  4. Step 4: Simplify right side
    52,658.20x = 4,030,152,178.14
  5. Step 5: Solve for x
    x = 4,030,152,178.14/52,658.20
  6. Step 6: Final answer
    x = 76,534.18

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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.