Home / 52,186.50-78,168.80-35,329.76

Finding the Fourth Proportional to 52,186.50, 78,168.80 and 35,329.76

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Solution

The fourth proportional to 52,186.50, 78,168.80 and 35,329.76 is: 52,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.50 : 78,168.80 = 35,329.76 : x
  2. Step 2: Convert to fraction form
    52,186.50/78,168.80 = 35,329.76/x
  3. Step 3: Cross multiply
    52,186.50x = 78,168.80 × 35,329.76
  4. Step 4: Simplify right side
    52,186.50x = 2,761,684,943.49
  5. Step 5: Solve for x
    x = 2,761,684,943.49/52,186.50
  6. Step 6: Final answer
    x = 52,919.53

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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.