Home / 80,603.04-111,171.84-48,731.16

Finding the Fourth Proportional to 80,603.04, 111,171.84 and 48,731.16

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Solution

The fourth proportional to 80,603.04, 111,171.84 and 48,731.16 is: 67,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,603.04 : 111,171.84 = 48,731.16 : x
  2. Step 2: Convert to fraction form
    80,603.04/111,171.84 = 48,731.16/x
  3. Step 3: Cross multiply
    80,603.04x = 111,171.84 × 48,731.16
  4. Step 4: Simplify right side
    80,603.04x = 5,417,532,722.53
  5. Step 5: Solve for x
    x = 5,417,532,722.53/80,603.04
  6. Step 6: Final answer
    x = 67,212.51

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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.