Home / 96,598.78-133,152.28-76,147.49

Finding the Fourth Proportional to 96,598.78, 133,152.28 and 76,147.49

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Solution

The fourth proportional to 96,598.78, 133,152.28 and 76,147.49 is: 104,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,598.78 : 133,152.28 = 76,147.49 : x
  2. Step 2: Convert to fraction form
    96,598.78/133,152.28 = 76,147.49/x
  3. Step 3: Cross multiply
    96,598.78x = 133,152.28 × 76,147.49
  4. Step 4: Simplify right side
    96,598.78x = 10,139,212,025.97
  5. Step 5: Solve for x
    x = 10,139,212,025.97/96,598.78
  6. Step 6: Final answer
    x = 104,962.12

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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.