Home / 96,981.06-133,838.40-53,960.79

Finding the Fourth Proportional to 96,981.06, 133,838.40 and 53,960.79

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Solution

The fourth proportional to 96,981.06, 133,838.40 and 53,960.79 is: 74,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,981.06 : 133,838.40 = 53,960.79 : x
  2. Step 2: Convert to fraction form
    96,981.06/133,838.40 = 53,960.79/x
  3. Step 3: Cross multiply
    96,981.06x = 133,838.40 × 53,960.79
  4. Step 4: Simplify right side
    96,981.06x = 7,222,025,796.34
  5. Step 5: Solve for x
    x = 7,222,025,796.34/96,981.06
  6. Step 6: Final answer
    x = 74,468.41

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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.