Home / 75,722.40-104,498.91-43,459.65

Finding the Fourth Proportional to 75,722.40, 104,498.91 and 43,459.65

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Solution

The fourth proportional to 75,722.40, 104,498.91 and 43,459.65 is: 59,975.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,722.40 : 104,498.91 = 43,459.65 : x
  2. Step 2: Convert to fraction form
    75,722.40/104,498.91 = 43,459.65/x
  3. Step 3: Cross multiply
    75,722.40x = 104,498.91 × 43,459.65
  4. Step 4: Simplify right side
    75,722.40x = 4,541,486,053.98
  5. Step 5: Solve for x
    x = 4,541,486,053.98/75,722.40
  6. Step 6: Final answer
    x = 59,975.46

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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.