Home / 81,573.49-122,334.32-55,446.13

Finding the Fourth Proportional to 81,573.49, 122,334.32 and 55,446.13

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Solution

The fourth proportional to 81,573.49, 122,334.32 and 55,446.13 is: 83,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,573.49 : 122,334.32 = 55,446.13 : x
  2. Step 2: Convert to fraction form
    81,573.49/122,334.32 = 55,446.13/x
  3. Step 3: Cross multiply
    81,573.49x = 122,334.32 × 55,446.13
  4. Step 4: Simplify right side
    81,573.49x = 6,782,964,332.95
  5. Step 5: Solve for x
    x = 6,782,964,332.95/81,573.49
  6. Step 6: Final answer
    x = 83,151.58

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1.5x scale

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.