Home / 81,362.88-112,284.94-45,550.75

Finding the Fourth Proportional to 81,362.88, 112,284.94 and 45,550.75

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Solution

The fourth proportional to 81,362.88, 112,284.94 and 45,550.75 is: 62,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,362.88 : 112,284.94 = 45,550.75 : x
  2. Step 2: Convert to fraction form
    81,362.88/112,284.94 = 45,550.75/x
  3. Step 3: Cross multiply
    81,362.88x = 112,284.94 × 45,550.75
  4. Step 4: Simplify right side
    81,362.88x = 5,114,663,230.71
  5. Step 5: Solve for x
    x = 5,114,663,230.71/81,362.88
  6. Step 6: Final answer
    x = 62,862.37

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1.5x scale

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.