Home / 106,021.17-146,302.20-60,699.51

Finding the Fourth Proportional to 106,021.17, 146,302.20 and 60,699.51

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Solution

The fourth proportional to 106,021.17, 146,302.20 and 60,699.51 is: 83,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.17 : 146,302.20 = 60,699.51 : x
  2. Step 2: Convert to fraction form
    106,021.17/146,302.20 = 60,699.51/x
  3. Step 3: Cross multiply
    106,021.17x = 146,302.20 × 60,699.51
  4. Step 4: Simplify right side
    106,021.17x = 8,880,471,851.92
  5. Step 5: Solve for x
    x = 8,880,471,851.92/106,021.17
  6. Step 6: Final answer
    x = 83,761.31

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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.