Home / 53,676.48-74,073.72-29,803.20

Finding the Fourth Proportional to 53,676.48, 74,073.72 and 29,803.20

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Solution

The fourth proportional to 53,676.48, 74,073.72 and 29,803.20 is: 41,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,676.48 : 74,073.72 = 29,803.20 : x
  2. Step 2: Convert to fraction form
    53,676.48/74,073.72 = 29,803.20/x
  3. Step 3: Cross multiply
    53,676.48x = 74,073.72 × 29,803.20
  4. Step 4: Simplify right side
    53,676.48x = 2,207,633,891.90
  5. Step 5: Solve for x
    x = 2,207,633,891.90/53,676.48
  6. Step 6: Final answer
    x = 41,128.51

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1.5x scale

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.