Home / 86,969.43-130,472.76-26,996.59

Finding the Fourth Proportional to 86,969.43, 130,472.76 and 26,996.59

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Solution

The fourth proportional to 86,969.43, 130,472.76 and 26,996.59 is: 40,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,969.43 : 130,472.76 = 26,996.59 : x
  2. Step 2: Convert to fraction form
    86,969.43/130,472.76 = 26,996.59/x
  3. Step 3: Cross multiply
    86,969.43x = 130,472.76 × 26,996.59
  4. Step 4: Simplify right side
    86,969.43x = 3,522,318,820.54
  5. Step 5: Solve for x
    x = 3,522,318,820.54/86,969.43
  6. Step 6: Final answer
    x = 40,500.66

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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.