Home / 52,087.24-78,124.66-13,616.20

Finding the Fourth Proportional to 52,087.24, 78,124.66 and 13,616.20

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Solution

The fourth proportional to 52,087.24, 78,124.66 and 13,616.20 is: 20,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,087.24 : 78,124.66 = 13,616.20 : x
  2. Step 2: Convert to fraction form
    52,087.24/78,124.66 = 13,616.20/x
  3. Step 3: Cross multiply
    52,087.24x = 78,124.66 × 13,616.20
  4. Step 4: Simplify right side
    52,087.24x = 1,063,760,995.49
  5. Step 5: Solve for x
    x = 1,063,760,995.49/52,087.24
  6. Step 6: Final answer
    x = 20,422.68

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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.