Home / 69,960.42-96,545.70-39,747.39

Finding the Fourth Proportional to 69,960.42, 96,545.70 and 39,747.39

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Solution

The fourth proportional to 69,960.42, 96,545.70 and 39,747.39 is: 54,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.42 : 96,545.70 = 39,747.39 : x
  2. Step 2: Convert to fraction form
    69,960.42/96,545.70 = 39,747.39/x
  3. Step 3: Cross multiply
    69,960.42x = 96,545.70 × 39,747.39
  4. Step 4: Simplify right side
    69,960.42x = 3,837,439,590.72
  5. Step 5: Solve for x
    x = 3,837,439,590.72/69,960.42
  6. Step 6: Final answer
    x = 54,851.58

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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.