Home / 75,019.29-103,552.70-43,200.87

Finding the Fourth Proportional to 75,019.29, 103,552.70 and 43,200.87

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Solution

The fourth proportional to 75,019.29, 103,552.70 and 43,200.87 is: 59,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.29 : 103,552.70 = 43,200.87 : x
  2. Step 2: Convert to fraction form
    75,019.29/103,552.70 = 43,200.87/x
  3. Step 3: Cross multiply
    75,019.29x = 103,552.70 × 43,200.87
  4. Step 4: Simplify right side
    75,019.29x = 4,473,566,514.84
  5. Step 5: Solve for x
    x = 4,473,566,514.84/75,019.29
  6. Step 6: Final answer
    x = 59,632.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.