Home / 86,780.08-119,759.34-48,018.34

Finding the Fourth Proportional to 86,780.08, 119,759.34 and 48,018.34

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Solution

The fourth proportional to 86,780.08, 119,759.34 and 48,018.34 is: 66,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,780.08 : 119,759.34 = 48,018.34 : x
  2. Step 2: Convert to fraction form
    86,780.08/119,759.34 = 48,018.34/x
  3. Step 3: Cross multiply
    86,780.08x = 119,759.34 × 48,018.34
  4. Step 4: Simplify right side
    86,780.08x = 5,750,644,706.30
  5. Step 5: Solve for x
    x = 5,750,644,706.30/86,780.08
  6. Step 6: Final answer
    x = 66,266.87

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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.