Home / 61,728.08-92,626.44-30,138.53

Finding the Fourth Proportional to 61,728.08, 92,626.44 and 30,138.53

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Solution

The fourth proportional to 61,728.08, 92,626.44 and 30,138.53 is: 45,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,728.08 : 92,626.44 = 30,138.53 : x
  2. Step 2: Convert to fraction form
    61,728.08/92,626.44 = 30,138.53/x
  3. Step 3: Cross multiply
    61,728.08x = 92,626.44 × 30,138.53
  4. Step 4: Simplify right side
    61,728.08x = 2,791,624,685.61
  5. Step 5: Solve for x
    x = 2,791,624,685.61/61,728.08
  6. Step 6: Final answer
    x = 45,224.55

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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.