Home / 109,738.80-151,451.84-61,995.23

Finding the Fourth Proportional to 109,738.80, 151,451.84 and 61,995.23

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Solution

The fourth proportional to 109,738.80, 151,451.84 and 61,995.23 is: 85,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.80 : 151,451.84 = 61,995.23 : x
  2. Step 2: Convert to fraction form
    109,738.80/151,451.84 = 61,995.23/x
  3. Step 3: Cross multiply
    109,738.80x = 151,451.84 × 61,995.23
  4. Step 4: Simplify right side
    109,738.80x = 9,389,290,587.49
  5. Step 5: Solve for x
    x = 9,389,290,587.49/109,738.80
  6. Step 6: Final answer
    x = 85,560.35

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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.