Home / 75,150.93-112,189.14-72,522.57

Finding the Fourth Proportional to 75,150.93, 112,189.14 and 72,522.57

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Solution

The fourth proportional to 75,150.93, 112,189.14 and 72,522.57 is: 108,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.93 : 112,189.14 = 72,522.57 : x
  2. Step 2: Convert to fraction form
    75,150.93/112,189.14 = 72,522.57/x
  3. Step 3: Cross multiply
    75,150.93x = 112,189.14 × 72,522.57
  4. Step 4: Simplify right side
    75,150.93x = 8,136,244,758.89
  5. Step 5: Solve for x
    x = 8,136,244,758.89/75,150.93
  6. Step 6: Final answer
    x = 108,265.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.