Home / 100,433.97-150,596.28-64,890.36

Finding the Fourth Proportional to 100,433.97, 150,596.28 and 64,890.36

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Solution

The fourth proportional to 100,433.97, 150,596.28 and 64,890.36 is: 97,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,433.97 : 150,596.28 = 64,890.36 : x
  2. Step 2: Convert to fraction form
    100,433.97/150,596.28 = 64,890.36/x
  3. Step 3: Cross multiply
    100,433.97x = 150,596.28 × 64,890.36
  4. Step 4: Simplify right side
    100,433.97x = 9,772,246,823.86
  5. Step 5: Solve for x
    x = 9,772,246,823.86/100,433.97
  6. Step 6: Final answer
    x = 97,300.21

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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.