Home / 83,407.32-115,073.34-47,571.48

Finding the Fourth Proportional to 83,407.32, 115,073.34 and 47,571.48

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Solution

The fourth proportional to 83,407.32, 115,073.34 and 47,571.48 is: 65,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,407.32 : 115,073.34 = 47,571.48 : x
  2. Step 2: Convert to fraction form
    83,407.32/115,073.34 = 47,571.48/x
  3. Step 3: Cross multiply
    83,407.32x = 115,073.34 × 47,571.48
  4. Step 4: Simplify right side
    83,407.32x = 5,474,209,092.34
  5. Step 5: Solve for x
    x = 5,474,209,092.34/83,407.32
  6. Step 6: Final answer
    x = 65,632.24

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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.