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Finding the Fourth Proportional to 70,774.96, 106,203.46 and 35,717.36

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Solution

The fourth proportional to 70,774.96, 106,203.46 and 35,717.36 is: 53,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.96 : 106,203.46 = 35,717.36 : x
  2. Step 2: Convert to fraction form
    70,774.96/106,203.46 = 35,717.36/x
  3. Step 3: Cross multiply
    70,774.96x = 106,203.46 × 35,717.36
  4. Step 4: Simplify right side
    70,774.96x = 3,793,307,214.07
  5. Step 5: Solve for x
    x = 3,793,307,214.07/70,774.96
  6. Step 6: Final answer
    x = 53,596.74

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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.