Home / 69,599.08-104,328.54-40,008.04

Finding the Fourth Proportional to 69,599.08, 104,328.54 and 40,008.04

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Solution

The fourth proportional to 69,599.08, 104,328.54 and 40,008.04 is: 59,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,599.08 : 104,328.54 = 40,008.04 : x
  2. Step 2: Convert to fraction form
    69,599.08/104,328.54 = 40,008.04/x
  3. Step 3: Cross multiply
    69,599.08x = 104,328.54 × 40,008.04
  4. Step 4: Simplify right side
    69,599.08x = 4,173,980,401.46
  5. Step 5: Solve for x
    x = 4,173,980,401.46/69,599.08
  6. Step 6: Final answer
    x = 59,971.78

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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.