Home / 81,933.81-122,899.91-37,547.97

Finding the Fourth Proportional to 81,933.81, 122,899.91 and 37,547.97

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Solution

The fourth proportional to 81,933.81, 122,899.91 and 37,547.97 is: 56,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,933.81 : 122,899.91 = 37,547.97 : x
  2. Step 2: Convert to fraction form
    81,933.81/122,899.91 = 37,547.97/x
  3. Step 3: Cross multiply
    81,933.81x = 122,899.91 × 37,547.97
  4. Step 4: Simplify right side
    81,933.81x = 4,614,641,945.94
  5. Step 5: Solve for x
    x = 4,614,641,945.94/81,933.81
  6. Step 6: Final answer
    x = 56,321.58

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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.