Home / 84,627.77-116,781.82-48,815.64

Finding the Fourth Proportional to 84,627.77, 116,781.82 and 48,815.64

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Solution

The fourth proportional to 84,627.77, 116,781.82 and 48,815.64 is: 67,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,627.77 : 116,781.82 = 48,815.64 : x
  2. Step 2: Convert to fraction form
    84,627.77/116,781.82 = 48,815.64/x
  3. Step 3: Cross multiply
    84,627.77x = 116,781.82 × 48,815.64
  4. Step 4: Simplify right side
    84,627.77x = 5,700,779,161.63
  5. Step 5: Solve for x
    x = 5,700,779,161.63/84,627.77
  6. Step 6: Final answer
    x = 67,362.99

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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.