Home / 124,085.36-186,012.64-45,181.64

Finding the Fourth Proportional to 124,085.36, 186,012.64 and 45,181.64

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Solution

The fourth proportional to 124,085.36, 186,012.64 and 45,181.64 is: 67,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,085.36 : 186,012.64 = 45,181.64 : x
  2. Step 2: Convert to fraction form
    124,085.36/186,012.64 = 45,181.64/x
  3. Step 3: Cross multiply
    124,085.36x = 186,012.64 × 45,181.64
  4. Step 4: Simplify right side
    124,085.36x = 8,404,356,135.93
  5. Step 5: Solve for x
    x = 8,404,356,135.93/124,085.36
  6. Step 6: Final answer
    x = 67,730.44

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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.