Home / 88,475.28-122,111.64-52,686

Finding the Fourth Proportional to 88,475.28, 122,111.64 and 52,686

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Solution

The fourth proportional to 88,475.28, 122,111.64 and 52,686 is: 72,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,475.28 : 122,111.64 = 52,686 : x
  2. Step 2: Convert to fraction form
    88,475.28/122,111.64 = 52,686/x
  3. Step 3: Cross multiply
    88,475.28x = 122,111.64 × 52,686
  4. Step 4: Simplify right side
    88,475.28x = 6,433,573,865.04
  5. Step 5: Solve for x
    x = 6,433,573,865.04/88,475.28
  6. Step 6: Final answer
    x = 72,716.06

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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.