Home / 84,039.85-115,973.44-45,799.71

Finding the Fourth Proportional to 84,039.85, 115,973.44 and 45,799.71

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Solution

The fourth proportional to 84,039.85, 115,973.44 and 45,799.71 is: 63,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.85 : 115,973.44 = 45,799.71 : x
  2. Step 2: Convert to fraction form
    84,039.85/115,973.44 = 45,799.71/x
  3. Step 3: Cross multiply
    84,039.85x = 115,973.44 × 45,799.71
  4. Step 4: Simplify right side
    84,039.85x = 5,311,549,919.70
  5. Step 5: Solve for x
    x = 5,311,549,919.70/84,039.85
  6. Step 6: Final answer
    x = 63,202.75

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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.