Home / 76,084.08-104,996.36-42,550

Finding the Fourth Proportional to 76,084.08, 104,996.36 and 42,550

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Solution

The fourth proportional to 76,084.08, 104,996.36 and 42,550 is: 58,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,084.08 : 104,996.36 = 42,550 : x
  2. Step 2: Convert to fraction form
    76,084.08/104,996.36 = 42,550/x
  3. Step 3: Cross multiply
    76,084.08x = 104,996.36 × 42,550
  4. Step 4: Simplify right side
    76,084.08x = 4,467,595,118
  5. Step 5: Solve for x
    x = 4,467,595,118/76,084.08
  6. Step 6: Final answer
    x = 58,719.18

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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.