Home / 79,661.47-109,933.58-43,852.20

Finding the Fourth Proportional to 79,661.47, 109,933.58 and 43,852.20

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Solution

The fourth proportional to 79,661.47, 109,933.58 and 43,852.20 is: 60,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661.47 : 109,933.58 = 43,852.20 : x
  2. Step 2: Convert to fraction form
    79,661.47/109,933.58 = 43,852.20/x
  3. Step 3: Cross multiply
    79,661.47x = 109,933.58 × 43,852.20
  4. Step 4: Simplify right side
    79,661.47x = 4,820,829,336.88
  5. Step 5: Solve for x
    x = 4,820,829,336.88/79,661.47
  6. Step 6: Final answer
    x = 60,516.45

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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.