Home / 84,587.30-116,734.34-48,298.57

Finding the Fourth Proportional to 84,587.30, 116,734.34 and 48,298.57

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Solution

The fourth proportional to 84,587.30, 116,734.34 and 48,298.57 is: 66,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,587.30 : 116,734.34 = 48,298.57 : x
  2. Step 2: Convert to fraction form
    84,587.30/116,734.34 = 48,298.57/x
  3. Step 3: Cross multiply
    84,587.30x = 116,734.34 × 48,298.57
  4. Step 4: Simplify right side
    84,587.30x = 5,638,101,520.80
  5. Step 5: Solve for x
    x = 5,638,101,520.80/84,587.30
  6. Step 6: Final answer
    x = 66,654.24

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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.