Home / 69,668.85-96,142.98-39,454.17

Finding the Fourth Proportional to 69,668.85, 96,142.98 and 39,454.17

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Solution

The fourth proportional to 69,668.85, 96,142.98 and 39,454.17 is: 54,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.85 : 96,142.98 = 39,454.17 : x
  2. Step 2: Convert to fraction form
    69,668.85/96,142.98 = 39,454.17/x
  3. Step 3: Cross multiply
    69,668.85x = 96,142.98 × 39,454.17
  4. Step 4: Simplify right side
    69,668.85x = 3,793,241,477.23
  5. Step 5: Solve for x
    x = 3,793,241,477.23/69,668.85
  6. Step 6: Final answer
    x = 54,446.74

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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.