Home / 64,955.28-89,622.78-44,805.72

Finding the Fourth Proportional to 64,955.28, 89,622.78 and 44,805.72

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Solution

The fourth proportional to 64,955.28, 89,622.78 and 44,805.72 is: 61,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955.28 : 89,622.78 = 44,805.72 : x
  2. Step 2: Convert to fraction form
    64,955.28/89,622.78 = 44,805.72/x
  3. Step 3: Cross multiply
    64,955.28x = 89,622.78 × 44,805.72
  4. Step 4: Simplify right side
    64,955.28x = 4,015,613,186.30
  5. Step 5: Solve for x
    x = 4,015,613,186.30/64,955.28
  6. Step 6: Final answer
    x = 61,821.20

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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.