Home / 86,194.01-129,318.61-35,616.80

Finding the Fourth Proportional to 86,194.01, 129,318.61 and 35,616.80

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Solution

The fourth proportional to 86,194.01, 129,318.61 and 35,616.80 is: 53,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,194.01 : 129,318.61 = 35,616.80 : x
  2. Step 2: Convert to fraction form
    86,194.01/129,318.61 = 35,616.80/x
  3. Step 3: Cross multiply
    86,194.01x = 129,318.61 × 35,616.80
  4. Step 4: Simplify right side
    86,194.01x = 4,605,915,068.65
  5. Step 5: Solve for x
    x = 4,605,915,068.65/86,194.01
  6. Step 6: Final answer
    x = 53,436.60

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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.