Home / 85,831.64-118,446.08-49,532.84

Finding the Fourth Proportional to 85,831.64, 118,446.08 and 49,532.84

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Solution

The fourth proportional to 85,831.64, 118,446.08 and 49,532.84 is: 68,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,831.64 : 118,446.08 = 49,532.84 : x
  2. Step 2: Convert to fraction form
    85,831.64/118,446.08 = 49,532.84/x
  3. Step 3: Cross multiply
    85,831.64x = 118,446.08 × 49,532.84
  4. Step 4: Simplify right side
    85,831.64x = 5,866,970,729.27
  5. Step 5: Solve for x
    x = 5,866,970,729.27/85,831.64
  6. Step 6: Final answer
    x = 68,354.41

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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.