Home / 64,751.22-89,360.79-39,260.02

Finding the Fourth Proportional to 64,751.22, 89,360.79 and 39,260.02

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Solution

The fourth proportional to 64,751.22, 89,360.79 and 39,260.02 is: 54,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,751.22 : 89,360.79 = 39,260.02 : x
  2. Step 2: Convert to fraction form
    64,751.22/89,360.79 = 39,260.02/x
  3. Step 3: Cross multiply
    64,751.22x = 89,360.79 × 39,260.02
  4. Step 4: Simplify right side
    64,751.22x = 3,508,306,402.62
  5. Step 5: Solve for x
    x = 3,508,306,402.62/64,751.22
  6. Step 6: Final answer
    x = 54,181.32

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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.