Home / 77,440.66-106,900.86-52,324.18

Finding the Fourth Proportional to 77,440.66, 106,900.86 and 52,324.18

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Solution

The fourth proportional to 77,440.66, 106,900.86 and 52,324.18 is: 72,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440.66 : 106,900.86 = 52,324.18 : x
  2. Step 2: Convert to fraction form
    77,440.66/106,900.86 = 52,324.18/x
  3. Step 3: Cross multiply
    77,440.66x = 106,900.86 × 52,324.18
  4. Step 4: Simplify right side
    77,440.66x = 5,593,499,840.79
  5. Step 5: Solve for x
    x = 5,593,499,840.79/77,440.66
  6. Step 6: Final answer
    x = 72,229.50

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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.