Home / 52,830.90-79,250.52-15,391.56

Finding the Fourth Proportional to 52,830.90, 79,250.52 and 15,391.56

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Solution

The fourth proportional to 52,830.90, 79,250.52 and 15,391.56 is: 23,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.90 : 79,250.52 = 15,391.56 : x
  2. Step 2: Convert to fraction form
    52,830.90/79,250.52 = 15,391.56/x
  3. Step 3: Cross multiply
    52,830.90x = 79,250.52 × 15,391.56
  4. Step 4: Simplify right side
    52,830.90x = 1,219,789,133.61
  5. Step 5: Solve for x
    x = 1,219,789,133.61/52,830.90
  6. Step 6: Final answer
    x = 23,088.55

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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.