Home / 85,123.40-117,469.20-46,882.22

Finding the Fourth Proportional to 85,123.40, 117,469.20 and 46,882.22

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Solution

The fourth proportional to 85,123.40, 117,469.20 and 46,882.22 is: 64,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,123.40 : 117,469.20 = 46,882.22 : x
  2. Step 2: Convert to fraction form
    85,123.40/117,469.20 = 46,882.22/x
  3. Step 3: Cross multiply
    85,123.40x = 117,469.20 × 46,882.22
  4. Step 4: Simplify right side
    85,123.40x = 5,507,216,877.62
  5. Step 5: Solve for x
    x = 5,507,216,877.62/85,123.40
  6. Step 6: Final answer
    x = 64,696.86

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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.