Home / 117,583.72-162,268.55-63,871.81

Finding the Fourth Proportional to 117,583.72, 162,268.55 and 63,871.81

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Solution

The fourth proportional to 117,583.72, 162,268.55 and 63,871.81 is: 88,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,583.72 : 162,268.55 = 63,871.81 : x
  2. Step 2: Convert to fraction form
    117,583.72/162,268.55 = 63,871.81/x
  3. Step 3: Cross multiply
    117,583.72x = 162,268.55 × 63,871.81
  4. Step 4: Simplify right side
    117,583.72x = 10,364,385,509.06
  5. Step 5: Solve for x
    x = 10,364,385,509.06/117,583.72
  6. Step 6: Final answer
    x = 88,144.73

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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.