Home / 84,049.02-115,987.68-45,808.58

Finding the Fourth Proportional to 84,049.02, 115,987.68 and 45,808.58

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Solution

The fourth proportional to 84,049.02, 115,987.68 and 45,808.58 is: 63,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,049.02 : 115,987.68 = 45,808.58 : x
  2. Step 2: Convert to fraction form
    84,049.02/115,987.68 = 45,808.58/x
  3. Step 3: Cross multiply
    84,049.02x = 115,987.68 × 45,808.58
  4. Step 4: Simplify right side
    84,049.02x = 5,313,230,918.29
  5. Step 5: Solve for x
    x = 5,313,230,918.29/84,049.02
  6. Step 6: Final answer
    x = 63,215.86

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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.