Home / 79,025.62-109,055.35-43,215.66

Finding the Fourth Proportional to 79,025.62, 109,055.35 and 43,215.66

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Solution

The fourth proportional to 79,025.62, 109,055.35 and 43,215.66 is: 59,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,025.62 : 109,055.35 = 43,215.66 : x
  2. Step 2: Convert to fraction form
    79,025.62/109,055.35 = 43,215.66/x
  3. Step 3: Cross multiply
    79,025.62x = 109,055.35 × 43,215.66
  4. Step 4: Simplify right side
    79,025.62x = 4,712,898,926.78
  5. Step 5: Solve for x
    x = 4,712,898,926.78/79,025.62
  6. Step 6: Final answer
    x = 59,637.61

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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.