Home / 83,979.75-125,970.63-35,941.86

Finding the Fourth Proportional to 83,979.75, 125,970.63 and 35,941.86

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Solution

The fourth proportional to 83,979.75, 125,970.63 and 35,941.86 is: 53,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.75 : 125,970.63 = 35,941.86 : x
  2. Step 2: Convert to fraction form
    83,979.75/125,970.63 = 35,941.86/x
  3. Step 3: Cross multiply
    83,979.75x = 125,970.63 × 35,941.86
  4. Step 4: Simplify right side
    83,979.75x = 4,527,618,747.57
  5. Step 5: Solve for x
    x = 4,527,618,747.57/83,979.75
  6. Step 6: Final answer
    x = 53,913.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.