Home / 76,172.68-114,366.60-48,001.42

Finding the Fourth Proportional to 76,172.68, 114,366.60 and 48,001.42

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Solution

The fourth proportional to 76,172.68, 114,366.60 and 48,001.42 is: 72,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,172.68 : 114,366.60 = 48,001.42 : x
  2. Step 2: Convert to fraction form
    76,172.68/114,366.60 = 48,001.42/x
  3. Step 3: Cross multiply
    76,172.68x = 114,366.60 × 48,001.42
  4. Step 4: Simplify right side
    76,172.68x = 5,489,759,200.57
  5. Step 5: Solve for x
    x = 5,489,759,200.57/76,172.68
  6. Step 6: Final answer
    x = 72,069.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.