Home / 99,255.42-148,799.41-43,053.22

Finding the Fourth Proportional to 99,255.42, 148,799.41 and 43,053.22

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Solution

The fourth proportional to 99,255.42, 148,799.41 and 43,053.22 is: 64,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,255.42 : 148,799.41 = 43,053.22 : x
  2. Step 2: Convert to fraction form
    99,255.42/148,799.41 = 43,053.22/x
  3. Step 3: Cross multiply
    99,255.42x = 148,799.41 × 43,053.22
  4. Step 4: Simplify right side
    99,255.42x = 6,406,293,519.33
  5. Step 5: Solve for x
    x = 6,406,293,519.33/99,255.42
  6. Step 6: Final answer
    x = 64,543.51

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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.