Home / 86,457.54-129,697.65-33,860.19

Finding the Fourth Proportional to 86,457.54, 129,697.65 and 33,860.19

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Solution

The fourth proportional to 86,457.54, 129,697.65 and 33,860.19 is: 50,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.54 : 129,697.65 = 33,860.19 : x
  2. Step 2: Convert to fraction form
    86,457.54/129,697.65 = 33,860.19/x
  3. Step 3: Cross multiply
    86,457.54x = 129,697.65 × 33,860.19
  4. Step 4: Simplify right side
    86,457.54x = 4,391,587,071.55
  5. Step 5: Solve for x
    x = 4,391,587,071.55/86,457.54
  6. Step 6: Final answer
    x = 50,794.73

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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.