Home / 79,216.55-109,282.26-70,151.18

Finding the Fourth Proportional to 79,216.55, 109,282.26 and 70,151.18

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Solution

The fourth proportional to 79,216.55, 109,282.26 and 70,151.18 is: 96,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216.55 : 109,282.26 = 70,151.18 : x
  2. Step 2: Convert to fraction form
    79,216.55/109,282.26 = 70,151.18/x
  3. Step 3: Cross multiply
    79,216.55x = 109,282.26 × 70,151.18
  4. Step 4: Simplify right side
    79,216.55x = 7,666,278,945.66
  5. Step 5: Solve for x
    x = 7,666,278,945.66/79,216.55
  6. Step 6: Final answer
    x = 96,776.23

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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.