Home / 70,896.06-97,839.50-40,682.66

Finding the Fourth Proportional to 70,896.06, 97,839.50 and 40,682.66

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Solution

The fourth proportional to 70,896.06, 97,839.50 and 40,682.66 is: 56,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,896.06 : 97,839.50 = 40,682.66 : x
  2. Step 2: Convert to fraction form
    70,896.06/97,839.50 = 40,682.66/x
  3. Step 3: Cross multiply
    70,896.06x = 97,839.50 × 40,682.66
  4. Step 4: Simplify right side
    70,896.06x = 3,980,370,420.46
  5. Step 5: Solve for x
    x = 3,980,370,420.46/70,896.06
  6. Step 6: Final answer
    x = 56,143.75

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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.