Home / 50,725.52-69,995.12-28,061.52

Finding the Fourth Proportional to 50,725.52, 69,995.12 and 28,061.52

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Solution

The fourth proportional to 50,725.52, 69,995.12 and 28,061.52 is: 38,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,725.52 : 69,995.12 = 28,061.52 : x
  2. Step 2: Convert to fraction form
    50,725.52/69,995.12 = 28,061.52/x
  3. Step 3: Cross multiply
    50,725.52x = 69,995.12 × 28,061.52
  4. Step 4: Simplify right side
    50,725.52x = 1,964,169,459.78
  5. Step 5: Solve for x
    x = 1,964,169,459.78/50,725.52
  6. Step 6: Final answer
    x = 38,721.52

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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.