Home / 69,711.63-96,194.24-39,490.48

Finding the Fourth Proportional to 69,711.63, 96,194.24 and 39,490.48

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Solution

The fourth proportional to 69,711.63, 96,194.24 and 39,490.48 is: 54,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.63 : 96,194.24 = 39,490.48 : x
  2. Step 2: Convert to fraction form
    69,711.63/96,194.24 = 39,490.48/x
  3. Step 3: Cross multiply
    69,711.63x = 96,194.24 × 39,490.48
  4. Step 4: Simplify right side
    69,711.63x = 3,798,756,129.56
  5. Step 5: Solve for x
    x = 3,798,756,129.56/69,711.63
  6. Step 6: Final answer
    x = 54,492.43

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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.