Home / 79,127.03-109,246.23-70,614.54

Finding the Fourth Proportional to 79,127.03, 109,246.23 and 70,614.54

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Solution

The fourth proportional to 79,127.03, 109,246.23 and 70,614.54 is: 97,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127.03 : 109,246.23 = 70,614.54 : x
  2. Step 2: Convert to fraction form
    79,127.03/109,246.23 = 70,614.54/x
  3. Step 3: Cross multiply
    79,127.03x = 109,246.23 × 70,614.54
  4. Step 4: Simplify right side
    79,127.03x = 7,714,372,278.18
  5. Step 5: Solve for x
    x = 7,714,372,278.18/79,127.03
  6. Step 6: Final answer
    x = 97,493.52

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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.