Home / 64,564.38-96,643.67-40,789.46

Finding the Fourth Proportional to 64,564.38, 96,643.67 and 40,789.46

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Solution

The fourth proportional to 64,564.38, 96,643.67 and 40,789.46 is: 61,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,564.38 : 96,643.67 = 40,789.46 : x
  2. Step 2: Convert to fraction form
    64,564.38/96,643.67 = 40,789.46/x
  3. Step 3: Cross multiply
    64,564.38x = 96,643.67 × 40,789.46
  4. Step 4: Simplify right side
    64,564.38x = 3,942,043,149.38
  5. Step 5: Solve for x
    x = 3,942,043,149.38/64,564.38
  6. Step 6: Final answer
    x = 61,056.01

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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.