Home / 124,485.12-186,552.72-54,217.08

Finding the Fourth Proportional to 124,485.12, 186,552.72 and 54,217.08

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Solution

The fourth proportional to 124,485.12, 186,552.72 and 54,217.08 is: 81,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485.12 : 186,552.72 = 54,217.08 : x
  2. Step 2: Convert to fraction form
    124,485.12/186,552.72 = 54,217.08/x
  3. Step 3: Cross multiply
    124,485.12x = 186,552.72 × 54,217.08
  4. Step 4: Simplify right side
    124,485.12x = 10,114,343,744.46
  5. Step 5: Solve for x
    x = 10,114,343,744.46/124,485.12
  6. Step 6: Final answer
    x = 81,249.42

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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.