Home / 111,041.35-166,572.05-36,142.07

Finding the Fourth Proportional to 111,041.35, 166,572.05 and 36,142.07

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Solution

The fourth proportional to 111,041.35, 166,572.05 and 36,142.07 is: 54,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,041.35 : 166,572.05 = 36,142.07 : x
  2. Step 2: Convert to fraction form
    111,041.35/166,572.05 = 36,142.07/x
  3. Step 3: Cross multiply
    111,041.35x = 166,572.05 × 36,142.07
  4. Step 4: Simplify right side
    111,041.35x = 6,020,257,677.57
  5. Step 5: Solve for x
    x = 6,020,257,677.57/111,041.35
  6. Step 6: Final answer
    x = 54,216.36

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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.