Home / 101,258.64-151,904.36-31,137.95

Finding the Fourth Proportional to 101,258.64, 151,904.36 and 31,137.95

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Solution

The fourth proportional to 101,258.64, 151,904.36 and 31,137.95 is: 46,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,258.64 : 151,904.36 = 31,137.95 : x
  2. Step 2: Convert to fraction form
    101,258.64/151,904.36 = 31,137.95/x
  3. Step 3: Cross multiply
    101,258.64x = 151,904.36 × 31,137.95
  4. Step 4: Simplify right side
    101,258.64x = 4,729,989,451.25
  5. Step 5: Solve for x
    x = 4,729,989,451.25/101,258.64
  6. Step 6: Final answer
    x = 46,711.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.