Home / 89,954.04-124,138.51-49,670.33

Finding the Fourth Proportional to 89,954.04, 124,138.51 and 49,670.33

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Solution

The fourth proportional to 89,954.04, 124,138.51 and 49,670.33 is: 68,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.04 : 124,138.51 = 49,670.33 : x
  2. Step 2: Convert to fraction form
    89,954.04/124,138.51 = 49,670.33/x
  3. Step 3: Cross multiply
    89,954.04x = 124,138.51 × 49,670.33
  4. Step 4: Simplify right side
    89,954.04x = 6,166,000,710.82
  5. Step 5: Solve for x
    x = 6,166,000,710.82/89,954.04
  6. Step 6: Final answer
    x = 68,546.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.