Home / 83,705.36-115,512.96-45,980.24

Finding the Fourth Proportional to 83,705.36, 115,512.96 and 45,980.24

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Solution

The fourth proportional to 83,705.36, 115,512.96 and 45,980.24 is: 63,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,705.36 : 115,512.96 = 45,980.24 : x
  2. Step 2: Convert to fraction form
    83,705.36/115,512.96 = 45,980.24/x
  3. Step 3: Cross multiply
    83,705.36x = 115,512.96 × 45,980.24
  4. Step 4: Simplify right side
    83,705.36x = 5,311,313,623.91
  5. Step 5: Solve for x
    x = 5,311,313,623.91/83,705.36
  6. Step 6: Final answer
    x = 63,452.49

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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.