Home / 52,666.73-78,988.32-15,218.45

Finding the Fourth Proportional to 52,666.73, 78,988.32 and 15,218.45

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Solution

The fourth proportional to 52,666.73, 78,988.32 and 15,218.45 is: 22,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.73 : 78,988.32 = 15,218.45 : x
  2. Step 2: Convert to fraction form
    52,666.73/78,988.32 = 15,218.45/x
  3. Step 3: Cross multiply
    52,666.73x = 78,988.32 × 15,218.45
  4. Step 4: Simplify right side
    52,666.73x = 1,202,079,900.52
  5. Step 5: Solve for x
    x = 1,202,079,900.52/52,666.73
  6. Step 6: Final answer
    x = 22,824.28

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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.