Home / 71,799.26-99,085.07-39,537.21

Finding the Fourth Proportional to 71,799.26, 99,085.07 and 39,537.21

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Solution

The fourth proportional to 71,799.26, 99,085.07 and 39,537.21 is: 54,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,799.26 : 99,085.07 = 39,537.21 : x
  2. Step 2: Convert to fraction form
    71,799.26/99,085.07 = 39,537.21/x
  3. Step 3: Cross multiply
    71,799.26x = 99,085.07 × 39,537.21
  4. Step 4: Simplify right side
    71,799.26x = 3,917,547,690.87
  5. Step 5: Solve for x
    x = 3,917,547,690.87/71,799.26
  6. Step 6: Final answer
    x = 54,562.51

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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.