Home / 62,831.16-86,706.30-34,150.20

Finding the Fourth Proportional to 62,831.16, 86,706.30 and 34,150.20

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Solution

The fourth proportional to 62,831.16, 86,706.30 and 34,150.20 is: 47,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831.16 : 86,706.30 = 34,150.20 : x
  2. Step 2: Convert to fraction form
    62,831.16/86,706.30 = 34,150.20/x
  3. Step 3: Cross multiply
    62,831.16x = 86,706.30 × 34,150.20
  4. Step 4: Simplify right side
    62,831.16x = 2,961,037,486.26
  5. Step 5: Solve for x
    x = 2,961,037,486.26/62,831.16
  6. Step 6: Final answer
    x = 47,126.90

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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.