Home / 88,882.08-133,208.64-42,031.68

Finding the Fourth Proportional to 88,882.08, 133,208.64 and 42,031.68

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Solution

The fourth proportional to 88,882.08, 133,208.64 and 42,031.68 is: 62,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,882.08 : 133,208.64 = 42,031.68 : x
  2. Step 2: Convert to fraction form
    88,882.08/133,208.64 = 42,031.68/x
  3. Step 3: Cross multiply
    88,882.08x = 133,208.64 × 42,031.68
  4. Step 4: Simplify right side
    88,882.08x = 5,598,982,929.72
  5. Step 5: Solve for x
    x = 5,598,982,929.72/88,882.08
  6. Step 6: Final answer
    x = 62,993.38

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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.