Home / 70,947.19-97,906.52-39,115.41

Finding the Fourth Proportional to 70,947.19, 97,906.52 and 39,115.41

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Solution

The fourth proportional to 70,947.19, 97,906.52 and 39,115.41 is: 53,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,947.19 : 97,906.52 = 39,115.41 : x
  2. Step 2: Convert to fraction form
    70,947.19/97,906.52 = 39,115.41/x
  3. Step 3: Cross multiply
    70,947.19x = 97,906.52 × 39,115.41
  4. Step 4: Simplify right side
    70,947.19x = 3,829,653,402.11
  5. Step 5: Solve for x
    x = 3,829,653,402.11/70,947.19
  6. Step 6: Final answer
    x = 53,978.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.