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Finding the Fourth Proportional to 64,273.91, 88,705.91 and 38,794.91

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Solution

The fourth proportional to 64,273.91, 88,705.91 and 38,794.91 is: 53,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,273.91 : 88,705.91 = 38,794.91 : x
  2. Step 2: Convert to fraction form
    64,273.91/88,705.91 = 38,794.91/x
  3. Step 3: Cross multiply
    64,273.91x = 88,705.91 × 38,794.91
  4. Step 4: Simplify right side
    64,273.91x = 3,441,337,448.38
  5. Step 5: Solve for x
    x = 3,441,337,448.38/64,273.91
  6. Step 6: Final answer
    x = 53,541.75

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1.5x scale

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.