Home / 43,187.09-64,815.20-22,416.53

Finding the Fourth Proportional to 43,187.09, 64,815.20 and 22,416.53

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Solution

The fourth proportional to 43,187.09, 64,815.20 and 22,416.53 is: 33,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.09 : 64,815.20 = 22,416.53 : x
  2. Step 2: Convert to fraction form
    43,187.09/64,815.20 = 22,416.53/x
  3. Step 3: Cross multiply
    43,187.09x = 64,815.20 × 22,416.53
  4. Step 4: Simplify right side
    43,187.09x = 1,452,931,763.17
  5. Step 5: Solve for x
    x = 1,452,931,763.17/43,187.09
  6. Step 6: Final answer
    x = 33,642.73

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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.