Home / 85,825.50-118,446.48-48,107.04

Finding the Fourth Proportional to 85,825.50, 118,446.48 and 48,107.04

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Solution

The fourth proportional to 85,825.50, 118,446.48 and 48,107.04 is: 66,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,825.50 : 118,446.48 = 48,107.04 : x
  2. Step 2: Convert to fraction form
    85,825.50/118,446.48 = 48,107.04/x
  3. Step 3: Cross multiply
    85,825.50x = 118,446.48 × 48,107.04
  4. Step 4: Simplify right side
    85,825.50x = 5,698,109,551.22
  5. Step 5: Solve for x
    x = 5,698,109,551.22/85,825.50
  6. Step 6: Final answer
    x = 66,391.80

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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.