Home / 85,144.16-117,502.58-47,418.41

Finding the Fourth Proportional to 85,144.16, 117,502.58 and 47,418.41

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Solution

The fourth proportional to 85,144.16, 117,502.58 and 47,418.41 is: 65,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,144.16 : 117,502.58 = 47,418.41 : x
  2. Step 2: Convert to fraction form
    85,144.16/117,502.58 = 47,418.41/x
  3. Step 3: Cross multiply
    85,144.16x = 117,502.58 × 47,418.41
  4. Step 4: Simplify right side
    85,144.16x = 5,571,784,689.89
  5. Step 5: Solve for x
    x = 5,571,784,689.89/85,144.16
  6. Step 6: Final answer
    x = 65,439.43

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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.