Home / 64,121.14-96,201.15-30,831.76

Finding the Fourth Proportional to 64,121.14, 96,201.15 and 30,831.76

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Solution

The fourth proportional to 64,121.14, 96,201.15 and 30,831.76 is: 46,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.14 : 96,201.15 = 30,831.76 : x
  2. Step 2: Convert to fraction form
    64,121.14/96,201.15 = 30,831.76/x
  3. Step 3: Cross multiply
    64,121.14x = 96,201.15 × 30,831.76
  4. Step 4: Simplify right side
    64,121.14x = 2,966,050,768.52
  5. Step 5: Solve for x
    x = 2,966,050,768.52/64,121.14
  6. Step 6: Final answer
    x = 46,256.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.