Home / 84,831.28-127,126.68-62,469.16

Finding the Fourth Proportional to 84,831.28, 127,126.68 and 62,469.16

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Solution

The fourth proportional to 84,831.28, 127,126.68 and 62,469.16 is: 93,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,831.28 : 127,126.68 = 62,469.16 : x
  2. Step 2: Convert to fraction form
    84,831.28/127,126.68 = 62,469.16/x
  3. Step 3: Cross multiply
    84,831.28x = 127,126.68 × 62,469.16
  4. Step 4: Simplify right side
    84,831.28x = 7,941,496,913.19
  5. Step 5: Solve for x
    x = 7,941,496,913.19/84,831.28
  6. Step 6: Final answer
    x = 93,615.20

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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.