Home / 85,433.39-117,897.60-47,195.56

Finding the Fourth Proportional to 85,433.39, 117,897.60 and 47,195.56

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Solution

The fourth proportional to 85,433.39, 117,897.60 and 47,195.56 is: 65,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,433.39 : 117,897.60 = 47,195.56 : x
  2. Step 2: Convert to fraction form
    85,433.39/117,897.60 = 47,195.56/x
  3. Step 3: Cross multiply
    85,433.39x = 117,897.60 × 47,195.56
  4. Step 4: Simplify right side
    85,433.39x = 5,564,243,254.66
  5. Step 5: Solve for x
    x = 5,564,243,254.66/85,433.39
  6. Step 6: Final answer
    x = 65,129.61

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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.