Home / 100,888.32-151,425.84-51,003.60

Finding the Fourth Proportional to 100,888.32, 151,425.84 and 51,003.60

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Solution

The fourth proportional to 100,888.32, 151,425.84 and 51,003.60 is: 76,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,888.32 : 151,425.84 = 51,003.60 : x
  2. Step 2: Convert to fraction form
    100,888.32/151,425.84 = 51,003.60/x
  3. Step 3: Cross multiply
    100,888.32x = 151,425.84 × 51,003.60
  4. Step 4: Simplify right side
    100,888.32x = 7,723,262,973.02
  5. Step 5: Solve for x
    x = 7,723,262,973.02/100,888.32
  6. Step 6: Final answer
    x = 76,552.60

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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.