Home / 84,971.19-117,265.96-56,241.35

Finding the Fourth Proportional to 84,971.19, 117,265.96 and 56,241.35

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Solution

The fourth proportional to 84,971.19, 117,265.96 and 56,241.35 is: 77,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,971.19 : 117,265.96 = 56,241.35 : x
  2. Step 2: Convert to fraction form
    84,971.19/117,265.96 = 56,241.35/x
  3. Step 3: Cross multiply
    84,971.19x = 117,265.96 × 56,241.35
  4. Step 4: Simplify right side
    84,971.19x = 6,595,195,899.45
  5. Step 5: Solve for x
    x = 6,595,195,899.45/84,971.19
  6. Step 6: Final answer
    x = 77,616.85

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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.