Home / 69,348.63-95,677.34-39,130.23

Finding the Fourth Proportional to 69,348.63, 95,677.34 and 39,130.23

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Solution

The fourth proportional to 69,348.63, 95,677.34 and 39,130.23 is: 53,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348.63 : 95,677.34 = 39,130.23 : x
  2. Step 2: Convert to fraction form
    69,348.63/95,677.34 = 39,130.23/x
  3. Step 3: Cross multiply
    69,348.63x = 95,677.34 × 39,130.23
  4. Step 4: Simplify right side
    69,348.63x = 3,743,876,124.34
  5. Step 5: Solve for x
    x = 3,743,876,124.34/69,348.63
  6. Step 6: Final answer
    x = 53,986.30

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Double scale
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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.