Home / 67,158.21-92,678.54-36,945.83

Finding the Fourth Proportional to 67,158.21, 92,678.54 and 36,945.83

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Solution

The fourth proportional to 67,158.21, 92,678.54 and 36,945.83 is: 50,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158.21 : 92,678.54 = 36,945.83 : x
  2. Step 2: Convert to fraction form
    67,158.21/92,678.54 = 36,945.83/x
  3. Step 3: Cross multiply
    67,158.21x = 92,678.54 × 36,945.83
  4. Step 4: Simplify right side
    67,158.21x = 3,424,085,907.55
  5. Step 5: Solve for x
    x = 3,424,085,907.55/67,158.21
  6. Step 6: Final answer
    x = 50,985.37

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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.