Home / 52,119.72-78,135.54-35,432.88

Finding the Fourth Proportional to 52,119.72, 78,135.54 and 35,432.88

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Solution

The fourth proportional to 52,119.72, 78,135.54 and 35,432.88 is: 53,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.72 : 78,135.54 = 35,432.88 : x
  2. Step 2: Convert to fraction form
    52,119.72/78,135.54 = 35,432.88/x
  3. Step 3: Cross multiply
    52,119.72x = 78,135.54 × 35,432.88
  4. Step 4: Simplify right side
    52,119.72x = 2,768,567,212.56
  5. Step 5: Solve for x
    x = 2,768,567,212.56/52,119.72
  6. Step 6: Final answer
    x = 53,119.38

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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.