Home / 86,700.96-130,044.04-34,110.30

Finding the Fourth Proportional to 86,700.96, 130,044.04 and 34,110.30

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Solution

The fourth proportional to 86,700.96, 130,044.04 and 34,110.30 is: 51,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.96 : 130,044.04 = 34,110.30 : x
  2. Step 2: Convert to fraction form
    86,700.96/130,044.04 = 34,110.30/x
  3. Step 3: Cross multiply
    86,700.96x = 130,044.04 × 34,110.30
  4. Step 4: Simplify right side
    86,700.96x = 4,435,841,217.61
  5. Step 5: Solve for x
    x = 4,435,841,217.61/86,700.96
  6. Step 6: Final answer
    x = 51,162.54

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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.