Home / 82,359.94-113,571.85-70,462.66

Finding the Fourth Proportional to 82,359.94, 113,571.85 and 70,462.66

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Solution

The fourth proportional to 82,359.94, 113,571.85 and 70,462.66 is: 97,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,359.94 : 113,571.85 = 70,462.66 : x
  2. Step 2: Convert to fraction form
    82,359.94/113,571.85 = 70,462.66/x
  3. Step 3: Cross multiply
    82,359.94x = 113,571.85 × 70,462.66
  4. Step 4: Simplify right side
    82,359.94x = 8,002,574,084.26
  5. Step 5: Solve for x
    x = 8,002,574,084.26/82,359.94
  6. Step 6: Final answer
    x = 97,165.86

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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.