Home / 80,981.64-111,749.58-45,173.94

Finding the Fourth Proportional to 80,981.64, 111,749.58 and 45,173.94

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Solution

The fourth proportional to 80,981.64, 111,749.58 and 45,173.94 is: 62,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,981.64 : 111,749.58 = 45,173.94 : x
  2. Step 2: Convert to fraction form
    80,981.64/111,749.58 = 45,173.94/x
  3. Step 3: Cross multiply
    80,981.64x = 111,749.58 × 45,173.94
  4. Step 4: Simplify right side
    80,981.64x = 5,048,168,821.95
  5. Step 5: Solve for x
    x = 5,048,168,821.95/80,981.64
  6. Step 6: Final answer
    x = 62,337.20

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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.