Home / 85,242.26-117,586.13-53,355.80

Finding the Fourth Proportional to 85,242.26, 117,586.13 and 53,355.80

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Solution

The fourth proportional to 85,242.26, 117,586.13 and 53,355.80 is: 73,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.26 : 117,586.13 = 53,355.80 : x
  2. Step 2: Convert to fraction form
    85,242.26/117,586.13 = 53,355.80/x
  3. Step 3: Cross multiply
    85,242.26x = 117,586.13 × 53,355.80
  4. Step 4: Simplify right side
    85,242.26x = 6,273,901,180.34
  5. Step 5: Solve for x
    x = 6,273,901,180.34/85,242.26
  6. Step 6: Final answer
    x = 73,600.84

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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.