Home / 53,851.20-80,841.60-53,462.40

Finding the Fourth Proportional to 53,851.20, 80,841.60 and 53,462.40

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Solution

The fourth proportional to 53,851.20, 80,841.60 and 53,462.40 is: 80,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.20 : 80,841.60 = 53,462.40 : x
  2. Step 2: Convert to fraction form
    53,851.20/80,841.60 = 53,462.40/x
  3. Step 3: Cross multiply
    53,851.20x = 80,841.60 × 53,462.40
  4. Step 4: Simplify right side
    53,851.20x = 4,321,985,955.84
  5. Step 5: Solve for x
    x = 4,321,985,955.84/53,851.20
  6. Step 6: Final answer
    x = 80,257.93

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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.