Home / 71,837.36-107,645.25-45,486.74

Finding the Fourth Proportional to 71,837.36, 107,645.25 and 45,486.74

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Solution

The fourth proportional to 71,837.36, 107,645.25 and 45,486.74 is: 68,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,837.36 : 107,645.25 = 45,486.74 : x
  2. Step 2: Convert to fraction form
    71,837.36/107,645.25 = 45,486.74/x
  3. Step 3: Cross multiply
    71,837.36x = 107,645.25 × 45,486.74
  4. Step 4: Simplify right side
    71,837.36x = 4,896,431,938.67
  5. Step 5: Solve for x
    x = 4,896,431,938.67/71,837.36
  6. Step 6: Final answer
    x = 68,159.97

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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.