Home / 70,983.13-97,956.32-39,151.95

Finding the Fourth Proportional to 70,983.13, 97,956.32 and 39,151.95

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Solution

The fourth proportional to 70,983.13, 97,956.32 and 39,151.95 is: 54,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,983.13 : 97,956.32 = 39,151.95 : x
  2. Step 2: Convert to fraction form
    70,983.13/97,956.32 = 39,151.95/x
  3. Step 3: Cross multiply
    70,983.13x = 97,956.32 × 39,151.95
  4. Step 4: Simplify right side
    70,983.13x = 3,835,180,942.82
  5. Step 5: Solve for x
    x = 3,835,180,942.82/70,983.13
  6. Step 6: Final answer
    x = 54,029.47

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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.