Home / 86,443.56-119,291.40-48,202.74

Finding the Fourth Proportional to 86,443.56, 119,291.40 and 48,202.74

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Solution

The fourth proportional to 86,443.56, 119,291.40 and 48,202.74 is: 66,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,443.56 : 119,291.40 = 48,202.74 : x
  2. Step 2: Convert to fraction form
    86,443.56/119,291.40 = 48,202.74/x
  3. Step 3: Cross multiply
    86,443.56x = 119,291.40 × 48,202.74
  4. Step 4: Simplify right side
    86,443.56x = 5,750,172,338.44
  5. Step 5: Solve for x
    x = 5,750,172,338.44/86,443.56
  6. Step 6: Final answer
    x = 66,519.38

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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.