Home / 81,933.56-122,899.53-37,547.72

Finding the Fourth Proportional to 81,933.56, 122,899.53 and 37,547.72

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Solution

The fourth proportional to 81,933.56, 122,899.53 and 37,547.72 is: 56,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,933.56 : 122,899.53 = 37,547.72 : x
  2. Step 2: Convert to fraction form
    81,933.56/122,899.53 = 37,547.72/x
  3. Step 3: Cross multiply
    81,933.56x = 122,899.53 × 37,547.72
  4. Step 4: Simplify right side
    81,933.56x = 4,614,597,140.57
  5. Step 5: Solve for x
    x = 4,614,597,140.57/81,933.56
  6. Step 6: Final answer
    x = 56,321.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.