Home / 52,219.60-78,329.80-14,780.88

Finding the Fourth Proportional to 52,219.60, 78,329.80 and 14,780.88

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Solution

The fourth proportional to 52,219.60, 78,329.80 and 14,780.88 is: 22,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,219.60 : 78,329.80 = 14,780.88 : x
  2. Step 2: Convert to fraction form
    52,219.60/78,329.80 = 14,780.88/x
  3. Step 3: Cross multiply
    52,219.60x = 78,329.80 × 14,780.88
  4. Step 4: Simplify right side
    52,219.60x = 1,157,783,374.22
  5. Step 5: Solve for x
    x = 1,157,783,374.22/52,219.60
  6. Step 6: Final answer
    x = 22,171.43

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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.