Home / 88,232.21-121,760.35-47,945.87

Finding the Fourth Proportional to 88,232.21, 121,760.35 and 47,945.87

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Solution

The fourth proportional to 88,232.21, 121,760.35 and 47,945.87 is: 66,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,232.21 : 121,760.35 = 47,945.87 : x
  2. Step 2: Convert to fraction form
    88,232.21/121,760.35 = 47,945.87/x
  3. Step 3: Cross multiply
    88,232.21x = 121,760.35 × 47,945.87
  4. Step 4: Simplify right side
    88,232.21x = 5,837,905,672.53
  5. Step 5: Solve for x
    x = 5,837,905,672.53/88,232.21
  6. Step 6: Final answer
    x = 66,165.25

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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.