Home / 100,860.36-151,220.28-44,669.92

Finding the Fourth Proportional to 100,860.36, 151,220.28 and 44,669.92

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Solution

The fourth proportional to 100,860.36, 151,220.28 and 44,669.92 is: 66,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,860.36 : 151,220.28 = 44,669.92 : x
  2. Step 2: Convert to fraction form
    100,860.36/151,220.28 = 44,669.92/x
  3. Step 3: Cross multiply
    100,860.36x = 151,220.28 × 44,669.92
  4. Step 4: Simplify right side
    100,860.36x = 6,754,997,809.98
  5. Step 5: Solve for x
    x = 6,754,997,809.98/100,860.36
  6. Step 6: Final answer
    x = 66,973.76

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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.