Home / 74,515.35-111,773.03-69,558.15

Finding the Fourth Proportional to 74,515.35, 111,773.03 and 69,558.15

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Solution

The fourth proportional to 74,515.35, 111,773.03 and 69,558.15 is: 104,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,515.35 : 111,773.03 = 69,558.15 : x
  2. Step 2: Convert to fraction form
    74,515.35/111,773.03 = 69,558.15/x
  3. Step 3: Cross multiply
    74,515.35x = 111,773.03 × 69,558.15
  4. Step 4: Simplify right side
    74,515.35x = 7,774,724,838.90
  5. Step 5: Solve for x
    x = 7,774,724,838.90/74,515.35
  6. Step 6: Final answer
    x = 104,337.23

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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.