Home / 64,725.56-89,318.40-36,046.70

Finding the Fourth Proportional to 64,725.56, 89,318.40 and 36,046.70

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Solution

The fourth proportional to 64,725.56, 89,318.40 and 36,046.70 is: 49,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.56 : 89,318.40 = 36,046.70 : x
  2. Step 2: Convert to fraction form
    64,725.56/89,318.40 = 36,046.70/x
  3. Step 3: Cross multiply
    64,725.56x = 89,318.40 × 36,046.70
  4. Step 4: Simplify right side
    64,725.56x = 3,219,633,569.28
  5. Step 5: Solve for x
    x = 3,219,633,569.28/64,725.56
  6. Step 6: Final answer
    x = 49,742.85

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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.