Home / 86,782.31-119,545.52-73,993.83

Finding the Fourth Proportional to 86,782.31, 119,545.52 and 73,993.83

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Solution

The fourth proportional to 86,782.31, 119,545.52 and 73,993.83 is: 101,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,782.31 : 119,545.52 = 73,993.83 : x
  2. Step 2: Convert to fraction form
    86,782.31/119,545.52 = 73,993.83/x
  3. Step 3: Cross multiply
    86,782.31x = 119,545.52 × 73,993.83
  4. Step 4: Simplify right side
    86,782.31x = 8,845,630,065.88
  5. Step 5: Solve for x
    x = 8,845,630,065.88/86,782.31
  6. Step 6: Final answer
    x = 101,928.96

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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.