Home / 92,830.05-139,120.34-50,646.92

Finding the Fourth Proportional to 92,830.05, 139,120.34 and 50,646.92

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Solution

The fourth proportional to 92,830.05, 139,120.34 and 50,646.92 is: 75,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,830.05 : 139,120.34 = 50,646.92 : x
  2. Step 2: Convert to fraction form
    92,830.05/139,120.34 = 50,646.92/x
  3. Step 3: Cross multiply
    92,830.05x = 139,120.34 × 50,646.92
  4. Step 4: Simplify right side
    92,830.05x = 7,046,016,034.75
  5. Step 5: Solve for x
    x = 7,046,016,034.75/92,830.05
  6. Step 6: Final answer
    x = 75,902.32

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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.