Home / 64,760.67-89,369.19-36,080.06

Finding the Fourth Proportional to 64,760.67, 89,369.19 and 36,080.06

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Solution

The fourth proportional to 64,760.67, 89,369.19 and 36,080.06 is: 49,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.67 : 89,369.19 = 36,080.06 : x
  2. Step 2: Convert to fraction form
    64,760.67/89,369.19 = 36,080.06/x
  3. Step 3: Cross multiply
    64,760.67x = 89,369.19 × 36,080.06
  4. Step 4: Simplify right side
    64,760.67x = 3,224,445,290.51
  5. Step 5: Solve for x
    x = 3,224,445,290.51/64,760.67
  6. Step 6: Final answer
    x = 49,790.18

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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.