Home / 64,240.12-96,401.31-34,678.54

Finding the Fourth Proportional to 64,240.12, 96,401.31 and 34,678.54

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Solution

The fourth proportional to 64,240.12, 96,401.31 and 34,678.54 is: 52,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,240.12 : 96,401.31 = 34,678.54 : x
  2. Step 2: Convert to fraction form
    64,240.12/96,401.31 = 34,678.54/x
  3. Step 3: Cross multiply
    64,240.12x = 96,401.31 × 34,678.54
  4. Step 4: Simplify right side
    64,240.12x = 3,343,056,684.89
  5. Step 5: Solve for x
    x = 3,343,056,684.89/64,240.12
  6. Step 6: Final answer
    x = 52,040.01

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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.