Home / 80,490.11-111,076.36-44,683.45

Finding the Fourth Proportional to 80,490.11, 111,076.36 and 44,683.45

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Solution

The fourth proportional to 80,490.11, 111,076.36 and 44,683.45 is: 61,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,490.11 : 111,076.36 = 44,683.45 : x
  2. Step 2: Convert to fraction form
    80,490.11/111,076.36 = 44,683.45/x
  3. Step 3: Cross multiply
    80,490.11x = 111,076.36 × 44,683.45
  4. Step 4: Simplify right side
    80,490.11x = 4,963,274,840.19
  5. Step 5: Solve for x
    x = 4,963,274,840.19/80,490.11
  6. Step 6: Final answer
    x = 61,663.17

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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.