Home / 42,091.52-63,117.84-15,777.44

Finding the Fourth Proportional to 42,091.52, 63,117.84 and 15,777.44

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Solution

The fourth proportional to 42,091.52, 63,117.84 and 15,777.44 is: 23,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,091.52 : 63,117.84 = 15,777.44 : x
  2. Step 2: Convert to fraction form
    42,091.52/63,117.84 = 15,777.44/x
  3. Step 3: Cross multiply
    42,091.52x = 63,117.84 × 15,777.44
  4. Step 4: Simplify right side
    42,091.52x = 995,837,933.53
  5. Step 5: Solve for x
    x = 995,837,933.53/42,091.52
  6. Step 6: Final answer
    x = 23,658.87

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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.