Home / 53,223.22-79,851.90-15,783.58

Finding the Fourth Proportional to 53,223.22, 79,851.90 and 15,783.58

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Solution

The fourth proportional to 53,223.22, 79,851.90 and 15,783.58 is: 23,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.22 : 79,851.90 = 15,783.58 : x
  2. Step 2: Convert to fraction form
    53,223.22/79,851.90 = 15,783.58/x
  3. Step 3: Cross multiply
    53,223.22x = 79,851.90 × 15,783.58
  4. Step 4: Simplify right side
    53,223.22x = 1,260,348,851.80
  5. Step 5: Solve for x
    x = 1,260,348,851.80/53,223.22
  6. Step 6: Final answer
    x = 23,680.43

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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.