Home / 122,505.07-169,074.48-68,793.76

Finding the Fourth Proportional to 122,505.07, 169,074.48 and 68,793.76

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Solution

The fourth proportional to 122,505.07, 169,074.48 and 68,793.76 is: 94,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,505.07 : 169,074.48 = 68,793.76 : x
  2. Step 2: Convert to fraction form
    122,505.07/169,074.48 = 68,793.76/x
  3. Step 3: Cross multiply
    122,505.07x = 169,074.48 × 68,793.76
  4. Step 4: Simplify right side
    122,505.07x = 11,631,269,199.24
  5. Step 5: Solve for x
    x = 11,631,269,199.24/122,505.07
  6. Step 6: Final answer
    x = 94,945.21

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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.