Home / 83,831.76-115,747.08-55,596.24

Finding the Fourth Proportional to 83,831.76, 115,747.08 and 55,596.24

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Solution

The fourth proportional to 83,831.76, 115,747.08 and 55,596.24 is: 76,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,831.76 : 115,747.08 = 55,596.24 : x
  2. Step 2: Convert to fraction form
    83,831.76/115,747.08 = 55,596.24/x
  3. Step 3: Cross multiply
    83,831.76x = 115,747.08 × 55,596.24
  4. Step 4: Simplify right side
    83,831.76x = 6,435,102,438.98
  5. Step 5: Solve for x
    x = 6,435,102,438.98/83,831.76
  6. Step 6: Final answer
    x = 76,762.11

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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.