Home / 81,332.52-112,237.76-45,522.51

Finding the Fourth Proportional to 81,332.52, 112,237.76 and 45,522.51

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Solution

The fourth proportional to 81,332.52, 112,237.76 and 45,522.51 is: 62,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,332.52 : 112,237.76 = 45,522.51 : x
  2. Step 2: Convert to fraction form
    81,332.52/112,237.76 = 45,522.51/x
  3. Step 3: Cross multiply
    81,332.52x = 112,237.76 × 45,522.51
  4. Step 4: Simplify right side
    81,332.52x = 5,109,344,324.37
  5. Step 5: Solve for x
    x = 5,109,344,324.37/81,332.52
  6. Step 6: Final answer
    x = 62,820.44

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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.