Home / 64,829.07-89,260.53-55,119.43

Finding the Fourth Proportional to 64,829.07, 89,260.53 and 55,119.43

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Solution

The fourth proportional to 64,829.07, 89,260.53 and 55,119.43 is: 75,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.07 : 89,260.53 = 55,119.43 : x
  2. Step 2: Convert to fraction form
    64,829.07/89,260.53 = 55,119.43/x
  3. Step 3: Cross multiply
    64,829.07x = 89,260.53 × 55,119.43
  4. Step 4: Simplify right side
    64,829.07x = 4,919,989,535.10
  5. Step 5: Solve for x
    x = 4,919,989,535.10/64,829.07
  6. Step 6: Final answer
    x = 75,891.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.