Home / 60,636.78-90,962.46-57,319.02

Finding the Fourth Proportional to 60,636.78, 90,962.46 and 57,319.02

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Solution

The fourth proportional to 60,636.78, 90,962.46 and 57,319.02 is: 85,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,636.78 : 90,962.46 = 57,319.02 : x
  2. Step 2: Convert to fraction form
    60,636.78/90,962.46 = 57,319.02/x
  3. Step 3: Cross multiply
    60,636.78x = 90,962.46 × 57,319.02
  4. Step 4: Simplify right side
    60,636.78x = 5,213,879,063.99
  5. Step 5: Solve for x
    x = 5,213,879,063.99/60,636.78
  6. Step 6: Final answer
    x = 85,985.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.