Home / 86,362.07-129,543.11-33,734.65

Finding the Fourth Proportional to 86,362.07, 129,543.11 and 33,734.65

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Solution

The fourth proportional to 86,362.07, 129,543.11 and 33,734.65 is: 50,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,362.07 : 129,543.11 = 33,734.65 : x
  2. Step 2: Convert to fraction form
    86,362.07/129,543.11 = 33,734.65/x
  3. Step 3: Cross multiply
    86,362.07x = 129,543.11 × 33,734.65
  4. Step 4: Simplify right side
    86,362.07x = 4,370,091,226.12
  5. Step 5: Solve for x
    x = 4,370,091,226.12/86,362.07
  6. Step 6: Final answer
    x = 50,601.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.