Home / 53,350.50-80,029.90-15,907.70

Finding the Fourth Proportional to 53,350.50, 80,029.90 and 15,907.70

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Solution

The fourth proportional to 53,350.50, 80,029.90 and 15,907.70 is: 23,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,350.50 : 80,029.90 = 15,907.70 : x
  2. Step 2: Convert to fraction form
    53,350.50/80,029.90 = 15,907.70/x
  3. Step 3: Cross multiply
    53,350.50x = 80,029.90 × 15,907.70
  4. Step 4: Simplify right side
    53,350.50x = 1,273,091,640.23
  5. Step 5: Solve for x
    x = 1,273,091,640.23/53,350.50
  6. Step 6: Final answer
    x = 23,862.79

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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.