Home / 82,831.14-124,059.78-38,364.48

Finding the Fourth Proportional to 82,831.14, 124,059.78 and 38,364.48

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Solution

The fourth proportional to 82,831.14, 124,059.78 and 38,364.48 is: 57,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,831.14 : 124,059.78 = 38,364.48 : x
  2. Step 2: Convert to fraction form
    82,831.14/124,059.78 = 38,364.48/x
  3. Step 3: Cross multiply
    82,831.14x = 124,059.78 × 38,364.48
  4. Step 4: Simplify right side
    82,831.14x = 4,759,488,948.61
  5. Step 5: Solve for x
    x = 4,759,488,948.61/82,831.14
  6. Step 6: Final answer
    x = 57,460.14

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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.