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Finding the Fourth Proportional to 69,545.92, 95,986.98 and 45,671.98

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Solution

The fourth proportional to 69,545.92, 95,986.98 and 45,671.98 is: 63,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545.92 : 95,986.98 = 45,671.98 : x
  2. Step 2: Convert to fraction form
    69,545.92/95,986.98 = 45,671.98/x
  3. Step 3: Cross multiply
    69,545.92x = 95,986.98 × 45,671.98
  4. Step 4: Simplify right side
    69,545.92x = 4,383,915,430.82
  5. Step 5: Solve for x
    x = 4,383,915,430.82/69,545.92
  6. Step 6: Final answer
    x = 63,036.27

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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.