Home / 66,528.06-91,811.43-36,315.42

Finding the Fourth Proportional to 66,528.06, 91,811.43 and 36,315.42

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Solution

The fourth proportional to 66,528.06, 91,811.43 and 36,315.42 is: 50,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.06 : 91,811.43 = 36,315.42 : x
  2. Step 2: Convert to fraction form
    66,528.06/91,811.43 = 36,315.42/x
  3. Step 3: Cross multiply
    66,528.06x = 91,811.43 × 36,315.42
  4. Step 4: Simplify right side
    66,528.06x = 3,334,170,641.25
  5. Step 5: Solve for x
    x = 3,334,170,641.25/66,528.06
  6. Step 6: Final answer
    x = 50,116.76

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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.