Home / 70,619.36-105,877.71-33,160.14

Finding the Fourth Proportional to 70,619.36, 105,877.71 and 33,160.14

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Solution

The fourth proportional to 70,619.36, 105,877.71 and 33,160.14 is: 49,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.36 : 105,877.71 = 33,160.14 : x
  2. Step 2: Convert to fraction form
    70,619.36/105,877.71 = 33,160.14/x
  3. Step 3: Cross multiply
    70,619.36x = 105,877.71 × 33,160.14
  4. Step 4: Simplify right side
    70,619.36x = 3,510,919,686.48
  5. Step 5: Solve for x
    x = 3,510,919,686.48/70,619.36
  6. Step 6: Final answer
    x = 49,716.11

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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.