Home / 81,625.61-112,637.22-45,329.10

Finding the Fourth Proportional to 81,625.61, 112,637.22 and 45,329.10

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Solution

The fourth proportional to 81,625.61, 112,637.22 and 45,329.10 is: 62,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,625.61 : 112,637.22 = 45,329.10 : x
  2. Step 2: Convert to fraction form
    81,625.61/112,637.22 = 45,329.10/x
  3. Step 3: Cross multiply
    81,625.61x = 112,637.22 × 45,329.10
  4. Step 4: Simplify right side
    81,625.61x = 5,105,743,809.10
  5. Step 5: Solve for x
    x = 5,105,743,809.10/81,625.61
  6. Step 6: Final answer
    x = 62,550.76

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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.