Home / 85,211.40-117,600.48-51,230.96

Finding the Fourth Proportional to 85,211.40, 117,600.48 and 51,230.96

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Solution

The fourth proportional to 85,211.40, 117,600.48 and 51,230.96 is: 70,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,211.40 : 117,600.48 = 51,230.96 : x
  2. Step 2: Convert to fraction form
    85,211.40/117,600.48 = 51,230.96/x
  3. Step 3: Cross multiply
    85,211.40x = 117,600.48 × 51,230.96
  4. Step 4: Simplify right side
    85,211.40x = 6,024,785,486.86
  5. Step 5: Solve for x
    x = 6,024,785,486.86/85,211.40
  6. Step 6: Final answer
    x = 70,703.98

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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.