Home / 69,821.04-104,257.22-67,929.24

Finding the Fourth Proportional to 69,821.04, 104,257.22 and 67,929.24

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Solution

The fourth proportional to 69,821.04, 104,257.22 and 67,929.24 is: 101,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.04 : 104,257.22 = 67,929.24 : x
  2. Step 2: Convert to fraction form
    69,821.04/104,257.22 = 67,929.24/x
  3. Step 3: Cross multiply
    69,821.04x = 104,257.22 × 67,929.24
  4. Step 4: Simplify right side
    69,821.04x = 7,082,113,719.11
  5. Step 5: Solve for x
    x = 7,082,113,719.11/69,821.04
  6. Step 6: Final answer
    x = 101,432.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.