Home / 84,589.30-116,737.10-48,300.57

Finding the Fourth Proportional to 84,589.30, 116,737.10 and 48,300.57

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Solution

The fourth proportional to 84,589.30, 116,737.10 and 48,300.57 is: 66,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,589.30 : 116,737.10 = 48,300.57 : x
  2. Step 2: Convert to fraction form
    84,589.30/116,737.10 = 48,300.57/x
  3. Step 3: Cross multiply
    84,589.30x = 116,737.10 × 48,300.57
  4. Step 4: Simplify right side
    84,589.30x = 5,638,468,470.15
  5. Step 5: Solve for x
    x = 5,638,468,470.15/84,589.30
  6. Step 6: Final answer
    x = 66,656.99

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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.