Home / 92,844.28-139,130.34-57,677.32

Finding the Fourth Proportional to 92,844.28, 139,130.34 and 57,677.32

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Solution

The fourth proportional to 92,844.28, 139,130.34 and 57,677.32 is: 86,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,844.28 : 139,130.34 = 57,677.32 : x
  2. Step 2: Convert to fraction form
    92,844.28/139,130.34 = 57,677.32/x
  3. Step 3: Cross multiply
    92,844.28x = 139,130.34 × 57,677.32
  4. Step 4: Simplify right side
    92,844.28x = 8,024,665,141.89
  5. Step 5: Solve for x
    x = 8,024,665,141.89/92,844.28
  6. Step 6: Final answer
    x = 86,431.44

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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.