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Finding the Fourth Proportional to 69,393.45, 104,155.47 and 65,601.42

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Solution

The fourth proportional to 69,393.45, 104,155.47 and 65,601.42 is: 98,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393.45 : 104,155.47 = 65,601.42 : x
  2. Step 2: Convert to fraction form
    69,393.45/104,155.47 = 65,601.42/x
  3. Step 3: Cross multiply
    69,393.45x = 104,155.47 × 65,601.42
  4. Step 4: Simplify right side
    69,393.45x = 6,832,746,732.77
  5. Step 5: Solve for x
    x = 6,832,746,732.77/69,393.45
  6. Step 6: Final answer
    x = 98,463.86

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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.