Home / 84,705.85-127,037.46-34,799.72

Finding the Fourth Proportional to 84,705.85, 127,037.46 and 34,799.72

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Solution

The fourth proportional to 84,705.85, 127,037.46 and 34,799.72 is: 52,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.85 : 127,037.46 = 34,799.72 : x
  2. Step 2: Convert to fraction form
    84,705.85/127,037.46 = 34,799.72/x
  3. Step 3: Cross multiply
    84,705.85x = 127,037.46 × 34,799.72
  4. Step 4: Simplify right side
    84,705.85x = 4,420,867,863.51
  5. Step 5: Solve for x
    x = 4,420,867,863.51/84,705.85
  6. Step 6: Final answer
    x = 52,190.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.