Home / 69,109.04-103,661.64-48,346.16

Finding the Fourth Proportional to 69,109.04, 103,661.64 and 48,346.16

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Solution

The fourth proportional to 69,109.04, 103,661.64 and 48,346.16 is: 72,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.04 : 103,661.64 = 48,346.16 : x
  2. Step 2: Convert to fraction form
    69,109.04/103,661.64 = 48,346.16/x
  3. Step 3: Cross multiply
    69,109.04x = 103,661.64 × 48,346.16
  4. Step 4: Simplify right side
    69,109.04x = 5,011,642,233.30
  5. Step 5: Solve for x
    x = 5,011,642,233.30/69,109.04
  6. Step 6: Final answer
    x = 72,517.90

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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.