Home / 86,992.74-130,457.09-30,052.15

Finding the Fourth Proportional to 86,992.74, 130,457.09 and 30,052.15

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Solution

The fourth proportional to 86,992.74, 130,457.09 and 30,052.15 is: 45,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,992.74 : 130,457.09 = 30,052.15 : x
  2. Step 2: Convert to fraction form
    86,992.74/130,457.09 = 30,052.15/x
  3. Step 3: Cross multiply
    86,992.74x = 130,457.09 × 30,052.15
  4. Step 4: Simplify right side
    86,992.74x = 3,920,516,037.24
  5. Step 5: Solve for x
    x = 3,920,516,037.24/86,992.74
  6. Step 6: Final answer
    x = 45,067.16

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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.