Home / 89,744.48-134,638.68-45,370.28

Finding the Fourth Proportional to 89,744.48, 134,638.68 and 45,370.28

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Solution

The fourth proportional to 89,744.48, 134,638.68 and 45,370.28 is: 68,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.48 : 134,638.68 = 45,370.28 : x
  2. Step 2: Convert to fraction form
    89,744.48/134,638.68 = 45,370.28/x
  3. Step 3: Cross multiply
    89,744.48x = 134,638.68 × 45,370.28
  4. Step 4: Simplify right side
    89,744.48x = 6,108,594,610.43
  5. Step 5: Solve for x
    x = 6,108,594,610.43/89,744.48
  6. Step 6: Final answer
    x = 68,066.52

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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.