Home / 92,043.54-138,240.36-57,226.50

Finding the Fourth Proportional to 92,043.54, 138,240.36 and 57,226.50

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Solution

The fourth proportional to 92,043.54, 138,240.36 and 57,226.50 is: 85,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,043.54 : 138,240.36 = 57,226.50 : x
  2. Step 2: Convert to fraction form
    92,043.54/138,240.36 = 57,226.50/x
  3. Step 3: Cross multiply
    92,043.54x = 138,240.36 × 57,226.50
  4. Step 4: Simplify right side
    92,043.54x = 7,911,011,961.54
  5. Step 5: Solve for x
    x = 7,911,011,961.54/92,043.54
  6. Step 6: Final answer
    x = 85,948.58

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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.