Home / 79,461.54-109,657.35-43,650.66

Finding the Fourth Proportional to 79,461.54, 109,657.35 and 43,650.66

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Solution

The fourth proportional to 79,461.54, 109,657.35 and 43,650.66 is: 60,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461.54 : 109,657.35 = 43,650.66 : x
  2. Step 2: Convert to fraction form
    79,461.54/109,657.35 = 43,650.66/x
  3. Step 3: Cross multiply
    79,461.54x = 109,657.35 × 43,650.66
  4. Step 4: Simplify right side
    79,461.54x = 4,786,615,701.35
  5. Step 5: Solve for x
    x = 4,786,615,701.35/79,461.54
  6. Step 6: Final answer
    x = 60,238.14

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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.