Home / 53,689.72-74,093.68-29,816.79

Finding the Fourth Proportional to 53,689.72, 74,093.68 and 29,816.79

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Solution

The fourth proportional to 53,689.72, 74,093.68 and 29,816.79 is: 41,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,689.72 : 74,093.68 = 29,816.79 : x
  2. Step 2: Convert to fraction form
    53,689.72/74,093.68 = 29,816.79/x
  3. Step 3: Cross multiply
    53,689.72x = 74,093.68 × 29,816.79
  4. Step 4: Simplify right side
    53,689.72x = 2,209,235,326.42
  5. Step 5: Solve for x
    x = 2,209,235,326.42/53,689.72
  6. Step 6: Final answer
    x = 41,148.20

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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.