Home / 79,986.08-110,402.14-45,998.28

Finding the Fourth Proportional to 79,986.08, 110,402.14 and 45,998.28

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Solution

The fourth proportional to 79,986.08, 110,402.14 and 45,998.28 is: 63,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986.08 : 110,402.14 = 45,998.28 : x
  2. Step 2: Convert to fraction form
    79,986.08/110,402.14 = 45,998.28/x
  3. Step 3: Cross multiply
    79,986.08x = 110,402.14 × 45,998.28
  4. Step 4: Simplify right side
    79,986.08x = 5,078,308,548.32
  5. Step 5: Solve for x
    x = 5,078,308,548.32/79,986.08
  6. Step 6: Final answer
    x = 63,489.90

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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.