Home / 85,578.28-118,102.56-49,285.24

Finding the Fourth Proportional to 85,578.28, 118,102.56 and 49,285.24

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Solution

The fourth proportional to 85,578.28, 118,102.56 and 49,285.24 is: 68,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,578.28 : 118,102.56 = 49,285.24 : x
  2. Step 2: Convert to fraction form
    85,578.28/118,102.56 = 49,285.24/x
  3. Step 3: Cross multiply
    85,578.28x = 118,102.56 × 49,285.24
  4. Step 4: Simplify right side
    85,578.28x = 5,820,713,014.21
  5. Step 5: Solve for x
    x = 5,820,713,014.21/85,578.28
  6. Step 6: Final answer
    x = 68,016.24

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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.