Home / 83,741.08-115,569.12-47,942.32

Finding the Fourth Proportional to 83,741.08, 115,569.12 and 47,942.32

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Solution

The fourth proportional to 83,741.08, 115,569.12 and 47,942.32 is: 66,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,741.08 : 115,569.12 = 47,942.32 : x
  2. Step 2: Convert to fraction form
    83,741.08/115,569.12 = 47,942.32/x
  3. Step 3: Cross multiply
    83,741.08x = 115,569.12 × 47,942.32
  4. Step 4: Simplify right side
    83,741.08x = 5,540,651,733.16
  5. Step 5: Solve for x
    x = 5,540,651,733.16/83,741.08
  6. Step 6: Final answer
    x = 66,164.08

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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.