Home / 64,788.15-97,195.86-36,721.65

Finding the Fourth Proportional to 64,788.15, 97,195.86 and 36,721.65

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Solution

The fourth proportional to 64,788.15, 97,195.86 and 36,721.65 is: 55,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,788.15 : 97,195.86 = 36,721.65 : x
  2. Step 2: Convert to fraction form
    64,788.15/97,195.86 = 36,721.65/x
  3. Step 3: Cross multiply
    64,788.15x = 97,195.86 × 36,721.65
  4. Step 4: Simplify right side
    64,788.15x = 3,569,192,352.37
  5. Step 5: Solve for x
    x = 3,569,192,352.37/64,788.15
  6. Step 6: Final answer
    x = 55,090.20

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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.