Home / 79,799.90-110,124.63-43,991.20

Finding the Fourth Proportional to 79,799.90, 110,124.63 and 43,991.20

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Solution

The fourth proportional to 79,799.90, 110,124.63 and 43,991.20 is: 60,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.90 : 110,124.63 = 43,991.20 : x
  2. Step 2: Convert to fraction form
    79,799.90/110,124.63 = 43,991.20/x
  3. Step 3: Cross multiply
    79,799.90x = 110,124.63 × 43,991.20
  4. Step 4: Simplify right side
    79,799.90x = 4,844,514,623.26
  5. Step 5: Solve for x
    x = 4,844,514,623.26/79,799.90
  6. Step 6: Final answer
    x = 60,708.28

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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.