Home / 86,661.19-119,590.26-48,418.39

Finding the Fourth Proportional to 86,661.19, 119,590.26 and 48,418.39

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Solution

The fourth proportional to 86,661.19, 119,590.26 and 48,418.39 is: 66,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,661.19 : 119,590.26 = 48,418.39 : x
  2. Step 2: Convert to fraction form
    86,661.19/119,590.26 = 48,418.39/x
  3. Step 3: Cross multiply
    86,661.19x = 119,590.26 × 48,418.39
  4. Step 4: Simplify right side
    86,661.19x = 5,790,367,848.88
  5. Step 5: Solve for x
    x = 5,790,367,848.88/86,661.19
  6. Step 6: Final answer
    x = 66,816.16

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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.