Home / 99,545.30-149,340.08-36,365.30

Finding the Fourth Proportional to 99,545.30, 149,340.08 and 36,365.30

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Solution

The fourth proportional to 99,545.30, 149,340.08 and 36,365.30 is: 54,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.30 : 149,340.08 = 36,365.30 : x
  2. Step 2: Convert to fraction form
    99,545.30/149,340.08 = 36,365.30/x
  3. Step 3: Cross multiply
    99,545.30x = 149,340.08 × 36,365.30
  4. Step 4: Simplify right side
    99,545.30x = 5,430,796,811.22
  5. Step 5: Solve for x
    x = 5,430,796,811.22/99,545.30
  6. Step 6: Final answer
    x = 54,556.03

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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.