Home / 86,616.12-129,914.10-23,433.24

Finding the Fourth Proportional to 86,616.12, 129,914.10 and 23,433.24

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Solution

The fourth proportional to 86,616.12, 129,914.10 and 23,433.24 is: 35,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,616.12 : 129,914.10 = 23,433.24 : x
  2. Step 2: Convert to fraction form
    86,616.12/129,914.10 = 23,433.24/x
  3. Step 3: Cross multiply
    86,616.12x = 129,914.10 × 23,433.24
  4. Step 4: Simplify right side
    86,616.12x = 3,044,308,284.68
  5. Step 5: Solve for x
    x = 3,044,308,284.68/86,616.12
  6. Step 6: Final answer
    x = 35,147.13

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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.