Home / 82,932.49-114,376.41-70,074.76

Finding the Fourth Proportional to 82,932.49, 114,376.41 and 70,074.76

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Solution

The fourth proportional to 82,932.49, 114,376.41 and 70,074.76 is: 96,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,932.49 : 114,376.41 = 70,074.76 : x
  2. Step 2: Convert to fraction form
    82,932.49/114,376.41 = 70,074.76/x
  3. Step 3: Cross multiply
    82,932.49x = 114,376.41 × 70,074.76
  4. Step 4: Simplify right side
    82,932.49x = 8,014,899,480.41
  5. Step 5: Solve for x
    x = 8,014,899,480.41/82,932.49
  6. Step 6: Final answer
    x = 96,643.66

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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.