Home / 80,143.60-110,603.69-44,334.21

Finding the Fourth Proportional to 80,143.60, 110,603.69 and 44,334.21

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Solution

The fourth proportional to 80,143.60, 110,603.69 and 44,334.21 is: 61,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,143.60 : 110,603.69 = 44,334.21 : x
  2. Step 2: Convert to fraction form
    80,143.60/110,603.69 = 44,334.21/x
  3. Step 3: Cross multiply
    80,143.60x = 110,603.69 × 44,334.21
  4. Step 4: Simplify right side
    80,143.60x = 4,903,527,219.23
  5. Step 5: Solve for x
    x = 4,903,527,219.23/80,143.60
  6. Step 6: Final answer
    x = 61,184.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.