Home / 74,936.10-112,404.15-74,498.70

Finding the Fourth Proportional to 74,936.10, 112,404.15 and 74,498.70

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Solution

The fourth proportional to 74,936.10, 112,404.15 and 74,498.70 is: 111,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.10 : 112,404.15 = 74,498.70 : x
  2. Step 2: Convert to fraction form
    74,936.10/112,404.15 = 74,498.70/x
  3. Step 3: Cross multiply
    74,936.10x = 112,404.15 × 74,498.70
  4. Step 4: Simplify right side
    74,936.10x = 8,373,963,049.61
  5. Step 5: Solve for x
    x = 8,373,963,049.61/74,936.10
  6. Step 6: Final answer
    x = 111,748.05

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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.