Home / 77,860.56-116,805.36-25,263.12

Finding the Fourth Proportional to 77,860.56, 116,805.36 and 25,263.12

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Solution

The fourth proportional to 77,860.56, 116,805.36 and 25,263.12 is: 37,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,860.56 : 116,805.36 = 25,263.12 : x
  2. Step 2: Convert to fraction form
    77,860.56/116,805.36 = 25,263.12/x
  3. Step 3: Cross multiply
    77,860.56x = 116,805.36 × 25,263.12
  4. Step 4: Simplify right side
    77,860.56x = 2,950,867,826.32
  5. Step 5: Solve for x
    x = 2,950,867,826.32/77,860.56
  6. Step 6: Final answer
    x = 37,899.39

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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.