Home / 55,521.26-83,281.14-13,400.98

Finding the Fourth Proportional to 55,521.26, 83,281.14 and 13,400.98

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Solution

The fourth proportional to 55,521.26, 83,281.14 and 13,400.98 is: 20,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521.26 : 83,281.14 = 13,400.98 : x
  2. Step 2: Convert to fraction form
    55,521.26/83,281.14 = 13,400.98/x
  3. Step 3: Cross multiply
    55,521.26x = 83,281.14 × 13,400.98
  4. Step 4: Simplify right side
    55,521.26x = 1,116,048,891.52
  5. Step 5: Solve for x
    x = 1,116,048,891.52/55,521.26
  6. Step 6: Final answer
    x = 20,101.29

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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.