Home / 75,054.05-103,575.36-41,061.79

Finding the Fourth Proportional to 75,054.05, 103,575.36 and 41,061.79

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Solution

The fourth proportional to 75,054.05, 103,575.36 and 41,061.79 is: 56,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.05 : 103,575.36 = 41,061.79 : x
  2. Step 2: Convert to fraction form
    75,054.05/103,575.36 = 41,061.79/x
  3. Step 3: Cross multiply
    75,054.05x = 103,575.36 × 41,061.79
  4. Step 4: Simplify right side
    75,054.05x = 4,252,989,681.49
  5. Step 5: Solve for x
    x = 4,252,989,681.49/75,054.05
  6. Step 6: Final answer
    x = 56,665.69

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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.