Home / 81,609.48-112,620.96-45,800.16

Finding the Fourth Proportional to 81,609.48, 112,620.96 and 45,800.16

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Solution

The fourth proportional to 81,609.48, 112,620.96 and 45,800.16 is: 63,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,609.48 : 112,620.96 = 45,800.16 : x
  2. Step 2: Convert to fraction form
    81,609.48/112,620.96 = 45,800.16/x
  3. Step 3: Cross multiply
    81,609.48x = 112,620.96 × 45,800.16
  4. Step 4: Simplify right side
    81,609.48x = 5,158,057,987.35
  5. Step 5: Solve for x
    x = 5,158,057,987.35/81,609.48
  6. Step 6: Final answer
    x = 63,204.15

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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.