Home / 106,332.09-146,744.45-61,009.70

Finding the Fourth Proportional to 106,332.09, 146,744.45 and 61,009.70

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Solution

The fourth proportional to 106,332.09, 146,744.45 and 61,009.70 is: 84,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,332.09 : 146,744.45 = 61,009.70 : x
  2. Step 2: Convert to fraction form
    106,332.09/146,744.45 = 61,009.70/x
  3. Step 3: Cross multiply
    106,332.09x = 146,744.45 × 61,009.70
  4. Step 4: Simplify right side
    106,332.09x = 8,952,833,832.39
  5. Step 5: Solve for x
    x = 8,952,833,832.39/106,332.09
  6. Step 6: Final answer
    x = 84,196.91

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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.