Home / 88,849.68-133,208.64-53,781.36

Finding the Fourth Proportional to 88,849.68, 133,208.64 and 53,781.36

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Solution

The fourth proportional to 88,849.68, 133,208.64 and 53,781.36 is: 80,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,849.68 : 133,208.64 = 53,781.36 : x
  2. Step 2: Convert to fraction form
    88,849.68/133,208.64 = 53,781.36/x
  3. Step 3: Cross multiply
    88,849.68x = 133,208.64 × 53,781.36
  4. Step 4: Simplify right side
    88,849.68x = 7,164,141,822.95
  5. Step 5: Solve for x
    x = 7,164,141,822.95/88,849.68
  6. Step 6: Final answer
    x = 80,632.16

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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.