Home / 83,948.74-115,845.49-45,707.32

Finding the Fourth Proportional to 83,948.74, 115,845.49 and 45,707.32

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Solution

The fourth proportional to 83,948.74, 115,845.49 and 45,707.32 is: 63,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,948.74 : 115,845.49 = 45,707.32 : x
  2. Step 2: Convert to fraction form
    83,948.74/115,845.49 = 45,707.32/x
  3. Step 3: Cross multiply
    83,948.74x = 115,845.49 × 45,707.32
  4. Step 4: Simplify right side
    83,948.74x = 5,294,987,083.93
  5. Step 5: Solve for x
    x = 5,294,987,083.93/83,948.74
  6. Step 6: Final answer
    x = 63,074.05

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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.