Home / 70,716.29-97,580.31-40,499.81

Finding the Fourth Proportional to 70,716.29, 97,580.31 and 40,499.81

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Solution

The fourth proportional to 70,716.29, 97,580.31 and 40,499.81 is: 55,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,716.29 : 97,580.31 = 40,499.81 : x
  2. Step 2: Convert to fraction form
    70,716.29/97,580.31 = 40,499.81/x
  3. Step 3: Cross multiply
    70,716.29x = 97,580.31 × 40,499.81
  4. Step 4: Simplify right side
    70,716.29x = 3,951,984,106.82
  5. Step 5: Solve for x
    x = 3,951,984,106.82/70,716.29
  6. Step 6: Final answer
    x = 55,885.06

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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.