Home / 75,121.04-103,670.52-41,587.76

Finding the Fourth Proportional to 75,121.04, 103,670.52 and 41,587.76

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Solution

The fourth proportional to 75,121.04, 103,670.52 and 41,587.76 is: 57,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,121.04 : 103,670.52 = 41,587.76 : x
  2. Step 2: Convert to fraction form
    75,121.04/103,670.52 = 41,587.76/x
  3. Step 3: Cross multiply
    75,121.04x = 103,670.52 × 41,587.76
  4. Step 4: Simplify right side
    75,121.04x = 4,311,424,704.84
  5. Step 5: Solve for x
    x = 4,311,424,704.84/75,121.04
  6. Step 6: Final answer
    x = 57,393.04

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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.