Home / 69,845.14-96,385.98-38,013.76

Finding the Fourth Proportional to 69,845.14, 96,385.98 and 38,013.76

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Solution

The fourth proportional to 69,845.14, 96,385.98 and 38,013.76 is: 52,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,845.14 : 96,385.98 = 38,013.76 : x
  2. Step 2: Convert to fraction form
    69,845.14/96,385.98 = 38,013.76/x
  3. Step 3: Cross multiply
    69,845.14x = 96,385.98 × 38,013.76
  4. Step 4: Simplify right side
    69,845.14x = 3,663,993,511.08
  5. Step 5: Solve for x
    x = 3,663,993,511.08/69,845.14
  6. Step 6: Final answer
    x = 52,458.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.