Home / 85,951.05-118,610.55-47,708.34

Finding the Fourth Proportional to 85,951.05, 118,610.55 and 47,708.34

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Solution

The fourth proportional to 85,951.05, 118,610.55 and 47,708.34 is: 65,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,951.05 : 118,610.55 = 47,708.34 : x
  2. Step 2: Convert to fraction form
    85,951.05/118,610.55 = 47,708.34/x
  3. Step 3: Cross multiply
    85,951.05x = 118,610.55 × 47,708.34
  4. Step 4: Simplify right side
    85,951.05x = 5,658,712,446.99
  5. Step 5: Solve for x
    x = 5,658,712,446.99/85,951.05
  6. Step 6: Final answer
    x = 65,836.46

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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.