Home / 77,179.24-106,512.29-43,191.64

Finding the Fourth Proportional to 77,179.24, 106,512.29 and 43,191.64

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Solution

The fourth proportional to 77,179.24, 106,512.29 and 43,191.64 is: 59,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,179.24 : 106,512.29 = 43,191.64 : x
  2. Step 2: Convert to fraction form
    77,179.24/106,512.29 = 43,191.64/x
  3. Step 3: Cross multiply
    77,179.24x = 106,512.29 × 43,191.64
  4. Step 4: Simplify right side
    77,179.24x = 4,600,440,326.95
  5. Step 5: Solve for x
    x = 4,600,440,326.95/77,179.24
  6. Step 6: Final answer
    x = 59,607.23

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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.