Home / 53,609.72-80,440.77-37,915.60

Finding the Fourth Proportional to 53,609.72, 80,440.77 and 37,915.60

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Solution

The fourth proportional to 53,609.72, 80,440.77 and 37,915.60 is: 56,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,609.72 : 80,440.77 = 37,915.60 : x
  2. Step 2: Convert to fraction form
    53,609.72/80,440.77 = 37,915.60/x
  3. Step 3: Cross multiply
    53,609.72x = 80,440.77 × 37,915.60
  4. Step 4: Simplify right side
    53,609.72x = 3,049,960,301.75
  5. Step 5: Solve for x
    x = 3,049,960,301.75/53,609.72
  6. Step 6: Final answer
    x = 56,891.93

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1.5x scale

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.