Home / 85,560.35-118,077.12-47,834.60

Finding the Fourth Proportional to 85,560.35, 118,077.12 and 47,834.60

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Solution

The fourth proportional to 85,560.35, 118,077.12 and 47,834.60 is: 66,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,560.35 : 118,077.12 = 47,834.60 : x
  2. Step 2: Convert to fraction form
    85,560.35/118,077.12 = 47,834.60/x
  3. Step 3: Cross multiply
    85,560.35x = 118,077.12 × 47,834.60
  4. Step 4: Simplify right side
    85,560.35x = 5,648,171,213.97
  5. Step 5: Solve for x
    x = 5,648,171,213.97/85,560.35
  6. Step 6: Final answer
    x = 66,013.89

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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.