Home / 69,401.26-104,534.18-64,534.78

Finding the Fourth Proportional to 69,401.26, 104,534.18 and 64,534.78

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Solution

The fourth proportional to 69,401.26, 104,534.18 and 64,534.78 is: 97,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,401.26 : 104,534.18 = 64,534.78 : x
  2. Step 2: Convert to fraction form
    69,401.26/104,534.18 = 64,534.78/x
  3. Step 3: Cross multiply
    69,401.26x = 104,534.18 × 64,534.78
  4. Step 4: Simplify right side
    69,401.26x = 6,746,090,308.78
  5. Step 5: Solve for x
    x = 6,746,090,308.78/69,401.26
  6. Step 6: Final answer
    x = 97,204.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.