Home / 109,708.40-164,449.20-59,682.80

Finding the Fourth Proportional to 109,708.40, 164,449.20 and 59,682.80

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Solution

The fourth proportional to 109,708.40, 164,449.20 and 59,682.80 is: 89,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,708.40 : 164,449.20 = 59,682.80 : x
  2. Step 2: Convert to fraction form
    109,708.40/164,449.20 = 59,682.80/x
  3. Step 3: Cross multiply
    109,708.40x = 164,449.20 × 59,682.80
  4. Step 4: Simplify right side
    109,708.40x = 9,814,788,713.76
  5. Step 5: Solve for x
    x = 9,814,788,713.76/109,708.40
  6. Step 6: Final answer
    x = 89,462.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.