Home / 69,973.74-104,956.29-28,419.66

Finding the Fourth Proportional to 69,973.74, 104,956.29 and 28,419.66

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Solution

The fourth proportional to 69,973.74, 104,956.29 and 28,419.66 is: 42,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973.74 : 104,956.29 = 28,419.66 : x
  2. Step 2: Convert to fraction form
    69,973.74/104,956.29 = 28,419.66/x
  3. Step 3: Cross multiply
    69,973.74x = 104,956.29 × 28,419.66
  4. Step 4: Simplify right side
    69,973.74x = 2,982,822,076.66
  5. Step 5: Solve for x
    x = 2,982,822,076.66/69,973.74
  6. Step 6: Final answer
    x = 42,627.74

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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.