Home / 107,129.17-147,822.73-59,382.51

Finding the Fourth Proportional to 107,129.17, 147,822.73 and 59,382.51

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Solution

The fourth proportional to 107,129.17, 147,822.73 and 59,382.51 is: 81,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,129.17 : 147,822.73 = 59,382.51 : x
  2. Step 2: Convert to fraction form
    107,129.17/147,822.73 = 59,382.51/x
  3. Step 3: Cross multiply
    107,129.17x = 147,822.73 × 59,382.51
  4. Step 4: Simplify right side
    107,129.17x = 8,778,084,742.45
  5. Step 5: Solve for x
    x = 8,778,084,742.45/107,129.17
  6. Step 6: Final answer
    x = 81,939.26

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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.