Home / 52,113.12-78,169.68-14,673.20

Finding the Fourth Proportional to 52,113.12, 78,169.68 and 14,673.20

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Solution

The fourth proportional to 52,113.12, 78,169.68 and 14,673.20 is: 22,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113.12 : 78,169.68 = 14,673.20 : x
  2. Step 2: Convert to fraction form
    52,113.12/78,169.68 = 14,673.20/x
  3. Step 3: Cross multiply
    52,113.12x = 78,169.68 × 14,673.20
  4. Step 4: Simplify right side
    52,113.12x = 1,146,998,957.73
  5. Step 5: Solve for x
    x = 1,146,998,957.73/52,113.12
  6. Step 6: Final answer
    x = 22,009.79

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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.