Home / 88,174.53-121,682.12-47,888.37

Finding the Fourth Proportional to 88,174.53, 121,682.12 and 47,888.37

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Solution

The fourth proportional to 88,174.53, 121,682.12 and 47,888.37 is: 66,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,174.53 : 121,682.12 = 47,888.37 : x
  2. Step 2: Convert to fraction form
    88,174.53/121,682.12 = 47,888.37/x
  3. Step 3: Cross multiply
    88,174.53x = 121,682.12 × 47,888.37
  4. Step 4: Simplify right side
    88,174.53x = 5,827,158,145.50
  5. Step 5: Solve for x
    x = 5,827,158,145.50/88,174.53
  6. Step 6: Final answer
    x = 66,086.64

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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.