Home / 100,545.72-150,815.88-33,985.32

Finding the Fourth Proportional to 100,545.72, 150,815.88 and 33,985.32

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Solution

The fourth proportional to 100,545.72, 150,815.88 and 33,985.32 is: 50,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,545.72 : 150,815.88 = 33,985.32 : x
  2. Step 2: Convert to fraction form
    100,545.72/150,815.88 = 33,985.32/x
  3. Step 3: Cross multiply
    100,545.72x = 150,815.88 × 33,985.32
  4. Step 4: Simplify right side
    100,545.72x = 5,125,525,942.88
  5. Step 5: Solve for x
    x = 5,125,525,942.88/100,545.72
  6. Step 6: Final answer
    x = 50,977.07

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1.5x scale

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.