Home / 104,961.06-157,332.24-45,780.84

Finding the Fourth Proportional to 104,961.06, 157,332.24 and 45,780.84

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Solution

The fourth proportional to 104,961.06, 157,332.24 and 45,780.84 is: 68,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,961.06 : 157,332.24 = 45,780.84 : x
  2. Step 2: Convert to fraction form
    104,961.06/157,332.24 = 45,780.84/x
  3. Step 3: Cross multiply
    104,961.06x = 157,332.24 × 45,780.84
  4. Step 4: Simplify right side
    104,961.06x = 7,202,802,106.28
  5. Step 5: Solve for x
    x = 7,202,802,106.28/104,961.06
  6. Step 6: Final answer
    x = 68,623.56

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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.