Home / 74,663.10-112,037.85-27,920.70

Finding the Fourth Proportional to 74,663.10, 112,037.85 and 27,920.70

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Solution

The fourth proportional to 74,663.10, 112,037.85 and 27,920.70 is: 41,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,663.10 : 112,037.85 = 27,920.70 : x
  2. Step 2: Convert to fraction form
    74,663.10/112,037.85 = 27,920.70/x
  3. Step 3: Cross multiply
    74,663.10x = 112,037.85 × 27,920.70
  4. Step 4: Simplify right side
    74,663.10x = 3,128,175,198.50
  5. Step 5: Solve for x
    x = 3,128,175,198.50/74,663.10
  6. Step 6: Final answer
    x = 41,897.20

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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.