Home / 99,283.20-148,950.72-51,901.44

Finding the Fourth Proportional to 99,283.20, 148,950.72 and 51,901.44

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Solution

The fourth proportional to 99,283.20, 148,950.72 and 51,901.44 is: 77,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,283.20 : 148,950.72 = 51,901.44 : x
  2. Step 2: Convert to fraction form
    99,283.20/148,950.72 = 51,901.44/x
  3. Step 3: Cross multiply
    99,283.20x = 148,950.72 × 51,901.44
  4. Step 4: Simplify right side
    99,283.20x = 7,730,756,857.04
  5. Step 5: Solve for x
    x = 7,730,756,857.04/99,283.20
  6. Step 6: Final answer
    x = 77,865.71

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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.