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Finding the Fourth Proportional to 70,735.45, 106,317.54 and 46,801.39

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Solution

The fourth proportional to 70,735.45, 106,317.54 and 46,801.39 is: 70,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,735.45 : 106,317.54 = 46,801.39 : x
  2. Step 2: Convert to fraction form
    70,735.45/106,317.54 = 46,801.39/x
  3. Step 3: Cross multiply
    70,735.45x = 106,317.54 × 46,801.39
  4. Step 4: Simplify right side
    70,735.45x = 4,975,807,946.29
  5. Step 5: Solve for x
    x = 4,975,807,946.29/70,735.45
  6. Step 6: Final answer
    x = 70,343.91

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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.