Home / 85,578.56-118,098.42-47,852.90

Finding the Fourth Proportional to 85,578.56, 118,098.42 and 47,852.90

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Solution

The fourth proportional to 85,578.56, 118,098.42 and 47,852.90 is: 66,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,578.56 : 118,098.42 = 47,852.90 : x
  2. Step 2: Convert to fraction form
    85,578.56/118,098.42 = 47,852.90/x
  3. Step 3: Cross multiply
    85,578.56x = 118,098.42 × 47,852.90
  4. Step 4: Simplify right side
    85,578.56x = 5,651,351,882.42
  5. Step 5: Solve for x
    x = 5,651,351,882.42/85,578.56
  6. Step 6: Final answer
    x = 66,037.01

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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.