Home / 66,750.66-92,136.42-38,475.18

Finding the Fourth Proportional to 66,750.66, 92,136.42 and 38,475.18

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Solution

The fourth proportional to 66,750.66, 92,136.42 and 38,475.18 is: 53,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,750.66 : 92,136.42 = 38,475.18 : x
  2. Step 2: Convert to fraction form
    66,750.66/92,136.42 = 38,475.18/x
  3. Step 3: Cross multiply
    66,750.66x = 92,136.42 × 38,475.18
  4. Step 4: Simplify right side
    66,750.66x = 3,544,965,344.06
  5. Step 5: Solve for x
    x = 3,544,965,344.06/66,750.66
  6. Step 6: Final answer
    x = 53,107.57

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1.5x scale

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.