Home / 86,660.83-119,590.45-48,421.14

Finding the Fourth Proportional to 86,660.83, 119,590.45 and 48,421.14

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Solution

The fourth proportional to 86,660.83, 119,590.45 and 48,421.14 is: 66,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660.83 : 119,590.45 = 48,421.14 : x
  2. Step 2: Convert to fraction form
    86,660.83/119,590.45 = 48,421.14/x
  3. Step 3: Cross multiply
    86,660.83x = 119,590.45 × 48,421.14
  4. Step 4: Simplify right side
    86,660.83x = 5,790,705,922.11
  5. Step 5: Solve for x
    x = 5,790,705,922.11/86,660.83
  6. Step 6: Final answer
    x = 66,820.34

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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.