Home / 106,756.11-147,319.92-59,009.22

Finding the Fourth Proportional to 106,756.11, 147,319.92 and 59,009.22

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Solution

The fourth proportional to 106,756.11, 147,319.92 and 59,009.22 is: 81,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,756.11 : 147,319.92 = 59,009.22 : x
  2. Step 2: Convert to fraction form
    106,756.11/147,319.92 = 59,009.22/x
  3. Step 3: Cross multiply
    106,756.11x = 147,319.92 × 59,009.22
  4. Step 4: Simplify right side
    106,756.11x = 8,693,233,569.66
  5. Step 5: Solve for x
    x = 8,693,233,569.66/106,756.11
  6. Step 6: Final answer
    x = 81,430.78

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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.