Home / 105,729.28-158,594.19-35,657.80

Finding the Fourth Proportional to 105,729.28, 158,594.19 and 35,657.80

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Solution

The fourth proportional to 105,729.28, 158,594.19 and 35,657.80 is: 53,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,729.28 : 158,594.19 = 35,657.80 : x
  2. Step 2: Convert to fraction form
    105,729.28/158,594.19 = 35,657.80/x
  3. Step 3: Cross multiply
    105,729.28x = 158,594.19 × 35,657.80
  4. Step 4: Simplify right side
    105,729.28x = 5,655,119,908.18
  5. Step 5: Solve for x
    x = 5,655,119,908.18/105,729.28
  6. Step 6: Final answer
    x = 53,486.79

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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.