Home / 83,926.36-115,792.25-47,621.80

Finding the Fourth Proportional to 83,926.36, 115,792.25 and 47,621.80

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Solution

The fourth proportional to 83,926.36, 115,792.25 and 47,621.80 is: 65,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,926.36 : 115,792.25 = 47,621.80 : x
  2. Step 2: Convert to fraction form
    83,926.36/115,792.25 = 47,621.80/x
  3. Step 3: Cross multiply
    83,926.36x = 115,792.25 × 47,621.80
  4. Step 4: Simplify right side
    83,926.36x = 5,514,235,371.05
  5. Step 5: Solve for x
    x = 5,514,235,371.05/83,926.36
  6. Step 6: Final answer
    x = 65,703.26

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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.