Home / 93,125.82-138,907.28-85,483.74

Finding the Fourth Proportional to 93,125.82, 138,907.28 and 85,483.74

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Solution

The fourth proportional to 93,125.82, 138,907.28 and 85,483.74 is: 127,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,125.82 : 138,907.28 = 85,483.74 : x
  2. Step 2: Convert to fraction form
    93,125.82/138,907.28 = 85,483.74/x
  3. Step 3: Cross multiply
    93,125.82x = 138,907.28 × 85,483.74
  4. Step 4: Simplify right side
    93,125.82x = 11,874,313,380.21
  5. Step 5: Solve for x
    x = 11,874,313,380.21/93,125.82
  6. Step 6: Final answer
    x = 127,508.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.