Home / 99,013.38-148,558.95-43,570.50

Finding the Fourth Proportional to 99,013.38, 148,558.95 and 43,570.50

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Solution

The fourth proportional to 99,013.38, 148,558.95 and 43,570.50 is: 65,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013.38 : 148,558.95 = 43,570.50 : x
  2. Step 2: Convert to fraction form
    99,013.38/148,558.95 = 43,570.50/x
  3. Step 3: Cross multiply
    99,013.38x = 148,558.95 × 43,570.50
  4. Step 4: Simplify right side
    99,013.38x = 6,472,787,730.98
  5. Step 5: Solve for x
    x = 6,472,787,730.98/99,013.38
  6. Step 6: Final answer
    x = 65,372.86

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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.