Home / 92,857.55-139,365.85-92,158.62

Finding the Fourth Proportional to 92,857.55, 139,365.85 and 92,158.62

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Solution

The fourth proportional to 92,857.55, 139,365.85 and 92,158.62 is: 138,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,857.55 : 139,365.85 = 92,158.62 : x
  2. Step 2: Convert to fraction form
    92,857.55/139,365.85 = 92,158.62/x
  3. Step 3: Cross multiply
    92,857.55x = 139,365.85 × 92,158.62
  4. Step 4: Simplify right side
    92,857.55x = 12,843,764,411.13
  5. Step 5: Solve for x
    x = 12,843,764,411.13/92,857.55
  6. Step 6: Final answer
    x = 138,316.86

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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.