Home / 42,122.52-63,183.86-10,957.72

Finding the Fourth Proportional to 42,122.52, 63,183.86 and 10,957.72

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Solution

The fourth proportional to 42,122.52, 63,183.86 and 10,957.72 is: 16,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.52 : 63,183.86 = 10,957.72 : x
  2. Step 2: Convert to fraction form
    42,122.52/63,183.86 = 10,957.72/x
  3. Step 3: Cross multiply
    42,122.52x = 63,183.86 × 10,957.72
  4. Step 4: Simplify right side
    42,122.52x = 692,351,046.40
  5. Step 5: Solve for x
    x = 692,351,046.40/42,122.52
  6. Step 6: Final answer
    x = 16,436.60

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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.