Home / 84,587.85-116,731.19-48,777.35

Finding the Fourth Proportional to 84,587.85, 116,731.19 and 48,777.35

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Solution

The fourth proportional to 84,587.85, 116,731.19 and 48,777.35 is: 67,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,587.85 : 116,731.19 = 48,777.35 : x
  2. Step 2: Convert to fraction form
    84,587.85/116,731.19 = 48,777.35/x
  3. Step 3: Cross multiply
    84,587.85x = 116,731.19 × 48,777.35
  4. Step 4: Simplify right side
    84,587.85x = 5,693,837,648.83
  5. Step 5: Solve for x
    x = 5,693,837,648.83/84,587.85
  6. Step 6: Final answer
    x = 67,312.71

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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.