Home / 79,444.02-109,633.64-43,634.86

Finding the Fourth Proportional to 79,444.02, 109,633.64 and 43,634.86

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Solution

The fourth proportional to 79,444.02, 109,633.64 and 43,634.86 is: 60,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,444.02 : 109,633.64 = 43,634.86 : x
  2. Step 2: Convert to fraction form
    79,444.02/109,633.64 = 43,634.86/x
  3. Step 3: Cross multiply
    79,444.02x = 109,633.64 × 43,634.86
  4. Step 4: Simplify right side
    79,444.02x = 4,783,848,532.69
  5. Step 5: Solve for x
    x = 4,783,848,532.69/79,444.02
  6. Step 6: Final answer
    x = 60,216.60

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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.