Home / 66,225.06-91,359.90-37,915.56

Finding the Fourth Proportional to 66,225.06, 91,359.90 and 37,915.56

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Solution

The fourth proportional to 66,225.06, 91,359.90 and 37,915.56 is: 52,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.06 : 91,359.90 = 37,915.56 : x
  2. Step 2: Convert to fraction form
    66,225.06/91,359.90 = 37,915.56/x
  3. Step 3: Cross multiply
    66,225.06x = 91,359.90 × 37,915.56
  4. Step 4: Simplify right side
    66,225.06x = 3,463,961,770.04
  5. Step 5: Solve for x
    x = 3,463,961,770.04/66,225.06
  6. Step 6: Final answer
    x = 52,305.91

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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.