Home / 85,601.35-118,167.70-51,158.24

Finding the Fourth Proportional to 85,601.35, 118,167.70 and 51,158.24

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Solution

The fourth proportional to 85,601.35, 118,167.70 and 51,158.24 is: 70,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,601.35 : 118,167.70 = 51,158.24 : x
  2. Step 2: Convert to fraction form
    85,601.35/118,167.70 = 51,158.24/x
  3. Step 3: Cross multiply
    85,601.35x = 118,167.70 × 51,158.24
  4. Step 4: Simplify right side
    85,601.35x = 6,045,251,556.85
  5. Step 5: Solve for x
    x = 6,045,251,556.85/85,601.35
  6. Step 6: Final answer
    x = 70,620.98

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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.