Home / 64,961.28-89,631.06-44,811.72

Finding the Fourth Proportional to 64,961.28, 89,631.06 and 44,811.72

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Solution

The fourth proportional to 64,961.28, 89,631.06 and 44,811.72 is: 61,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,961.28 : 89,631.06 = 44,811.72 : x
  2. Step 2: Convert to fraction form
    64,961.28/89,631.06 = 44,811.72/x
  3. Step 3: Cross multiply
    64,961.28x = 89,631.06 × 44,811.72
  4. Step 4: Simplify right side
    64,961.28x = 4,016,521,964.02
  5. Step 5: Solve for x
    x = 4,016,521,964.02/64,961.28
  6. Step 6: Final answer
    x = 61,829.48

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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.