Home / 86,610.06-119,519.56-48,368.55

Finding the Fourth Proportional to 86,610.06, 119,519.56 and 48,368.55

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Solution

The fourth proportional to 86,610.06, 119,519.56 and 48,368.55 is: 66,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,610.06 : 119,519.56 = 48,368.55 : x
  2. Step 2: Convert to fraction form
    86,610.06/119,519.56 = 48,368.55/x
  3. Step 3: Cross multiply
    86,610.06x = 119,519.56 × 48,368.55
  4. Step 4: Simplify right side
    86,610.06x = 5,780,987,813.84
  5. Step 5: Solve for x
    x = 5,780,987,813.84/86,610.06
  6. Step 6: Final answer
    x = 66,747.30

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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.