Home / 70,905.57-106,258.05-39,329.52

Finding the Fourth Proportional to 70,905.57, 106,258.05 and 39,329.52

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Solution

The fourth proportional to 70,905.57, 106,258.05 and 39,329.52 is: 58,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.57 : 106,258.05 = 39,329.52 : x
  2. Step 2: Convert to fraction form
    70,905.57/106,258.05 = 39,329.52/x
  3. Step 3: Cross multiply
    70,905.57x = 106,258.05 × 39,329.52
  4. Step 4: Simplify right side
    70,905.57x = 4,179,078,102.64
  5. Step 5: Solve for x
    x = 4,179,078,102.64/70,905.57
  6. Step 6: Final answer
    x = 58,938.64

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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.