Home / 53,434.62-80,207.16-39,410.28

Finding the Fourth Proportional to 53,434.62, 80,207.16 and 39,410.28

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Solution

The fourth proportional to 53,434.62, 80,207.16 and 39,410.28 is: 59,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434.62 : 80,207.16 = 39,410.28 : x
  2. Step 2: Convert to fraction form
    53,434.62/80,207.16 = 39,410.28/x
  3. Step 3: Cross multiply
    53,434.62x = 80,207.16 × 39,410.28
  4. Step 4: Simplify right side
    53,434.62x = 3,160,986,633.60
  5. Step 5: Solve for x
    x = 3,160,986,633.60/53,434.62
  6. Step 6: Final answer
    x = 59,156.15

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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.