Home / 117,682.40-162,443.34-69,935.16

Finding the Fourth Proportional to 117,682.40, 162,443.34 and 69,935.16

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Solution

The fourth proportional to 117,682.40, 162,443.34 and 69,935.16 is: 96,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,682.40 : 162,443.34 = 69,935.16 : x
  2. Step 2: Convert to fraction form
    117,682.40/162,443.34 = 69,935.16/x
  3. Step 3: Cross multiply
    117,682.40x = 162,443.34 × 69,935.16
  4. Step 4: Simplify right side
    117,682.40x = 11,360,501,583.00
  5. Step 5: Solve for x
    x = 11,360,501,583.00/117,682.40
  6. Step 6: Final answer
    x = 96,535.26

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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.