Home / 84,531.52-116,652.32-48,721.60

Finding the Fourth Proportional to 84,531.52, 116,652.32 and 48,721.60

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Solution

The fourth proportional to 84,531.52, 116,652.32 and 48,721.60 is: 67,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,531.52 : 116,652.32 = 48,721.60 : x
  2. Step 2: Convert to fraction form
    84,531.52/116,652.32 = 48,721.60/x
  3. Step 3: Cross multiply
    84,531.52x = 116,652.32 × 48,721.60
  4. Step 4: Simplify right side
    84,531.52x = 5,683,487,674.11
  5. Step 5: Solve for x
    x = 5,683,487,674.11/84,531.52
  6. Step 6: Final answer
    x = 67,235.13

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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.