Home / 51,831.16-71,354.17-49,450.76

Finding the Fourth Proportional to 51,831.16, 71,354.17 and 49,450.76

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Solution

The fourth proportional to 51,831.16, 71,354.17 and 49,450.76 is: 68,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.16 : 71,354.17 = 49,450.76 : x
  2. Step 2: Convert to fraction form
    51,831.16/71,354.17 = 49,450.76/x
  3. Step 3: Cross multiply
    51,831.16x = 71,354.17 × 49,450.76
  4. Step 4: Simplify right side
    51,831.16x = 3,528,517,935.67
  5. Step 5: Solve for x
    x = 3,528,517,935.67/51,831.16
  6. Step 6: Final answer
    x = 68,077.16

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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.