Home / 80,270.34-110,785.77-61,119.24

Finding the Fourth Proportional to 80,270.34, 110,785.77 and 61,119.24

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Solution

The fourth proportional to 80,270.34, 110,785.77 and 61,119.24 is: 84,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,270.34 : 110,785.77 = 61,119.24 : x
  2. Step 2: Convert to fraction form
    80,270.34/110,785.77 = 61,119.24/x
  3. Step 3: Cross multiply
    80,270.34x = 110,785.77 × 61,119.24
  4. Step 4: Simplify right side
    80,270.34x = 6,771,142,065.21
  5. Step 5: Solve for x
    x = 6,771,142,065.21/80,270.34
  6. Step 6: Final answer
    x = 84,354.22

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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.