Home / 52,966.10-79,449.14-13,521.80

Finding the Fourth Proportional to 52,966.10, 79,449.14 and 13,521.80

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Solution

The fourth proportional to 52,966.10, 79,449.14 and 13,521.80 is: 20,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,966.10 : 79,449.14 = 13,521.80 : x
  2. Step 2: Convert to fraction form
    52,966.10/79,449.14 = 13,521.80/x
  3. Step 3: Cross multiply
    52,966.10x = 79,449.14 × 13,521.80
  4. Step 4: Simplify right side
    52,966.10x = 1,074,295,017.81
  5. Step 5: Solve for x
    x = 1,074,295,017.81/52,966.10
  6. Step 6: Final answer
    x = 20,282.69

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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.