Home / 115,853.37-159,741.43-92,864.81

Finding the Fourth Proportional to 115,853.37, 159,741.43 and 92,864.81

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Solution

The fourth proportional to 115,853.37, 159,741.43 and 92,864.81 is: 128,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,853.37 : 159,741.43 = 92,864.81 : x
  2. Step 2: Convert to fraction form
    115,853.37/159,741.43 = 92,864.81/x
  3. Step 3: Cross multiply
    115,853.37x = 159,741.43 × 92,864.81
  4. Step 4: Simplify right side
    115,853.37x = 14,834,356,283.05
  5. Step 5: Solve for x
    x = 14,834,356,283.05/115,853.37
  6. Step 6: Final answer
    x = 128,044.24

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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.