Home / 84,854.64-117,086.40-49,037.75

Finding the Fourth Proportional to 84,854.64, 117,086.40 and 49,037.75

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Solution

The fourth proportional to 84,854.64, 117,086.40 and 49,037.75 is: 67,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.64 : 117,086.40 = 49,037.75 : x
  2. Step 2: Convert to fraction form
    84,854.64/117,086.40 = 49,037.75/x
  3. Step 3: Cross multiply
    84,854.64x = 117,086.40 × 49,037.75
  4. Step 4: Simplify right side
    84,854.64x = 5,741,653,026.17
  5. Step 5: Solve for x
    x = 5,741,653,026.17/84,854.64
  6. Step 6: Final answer
    x = 67,664.57

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1.5x scale

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.