Home / 86,496.03-129,801.75-30,336.09

Finding the Fourth Proportional to 86,496.03, 129,801.75 and 30,336.09

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Solution

The fourth proportional to 86,496.03, 129,801.75 and 30,336.09 is: 45,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,496.03 : 129,801.75 = 30,336.09 : x
  2. Step 2: Convert to fraction form
    86,496.03/129,801.75 = 30,336.09/x
  3. Step 3: Cross multiply
    86,496.03x = 129,801.75 × 30,336.09
  4. Step 4: Simplify right side
    86,496.03x = 3,937,677,570.16
  5. Step 5: Solve for x
    x = 3,937,677,570.16/86,496.03
  6. Step 6: Final answer
    x = 45,524.37

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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.