Home / 113,865.77-157,131.61-62,877.54

Finding the Fourth Proportional to 113,865.77, 157,131.61 and 62,877.54

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Solution

The fourth proportional to 113,865.77, 157,131.61 and 62,877.54 is: 86,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,865.77 : 157,131.61 = 62,877.54 : x
  2. Step 2: Convert to fraction form
    113,865.77/157,131.61 = 62,877.54/x
  3. Step 3: Cross multiply
    113,865.77x = 157,131.61 × 62,877.54
  4. Step 4: Simplify right side
    113,865.77x = 9,880,049,525.09
  5. Step 5: Solve for x
    x = 9,880,049,525.09/113,865.77
  6. Step 6: Final answer
    x = 86,769.27

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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.