Home / 89,315.56-133,973.22-26,986

Finding the Fourth Proportional to 89,315.56, 133,973.22 and 26,986

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Solution

The fourth proportional to 89,315.56, 133,973.22 and 26,986 is: 40,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,315.56 : 133,973.22 = 26,986 : x
  2. Step 2: Convert to fraction form
    89,315.56/133,973.22 = 26,986/x
  3. Step 3: Cross multiply
    89,315.56x = 133,973.22 × 26,986
  4. Step 4: Simplify right side
    89,315.56x = 3,615,401,314.92
  5. Step 5: Solve for x
    x = 3,615,401,314.92/89,315.56
  6. Step 6: Final answer
    x = 40,478.96

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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.