Home / 53,434.30-80,266.65-51,475.90

Finding the Fourth Proportional to 53,434.30, 80,266.65 and 51,475.90

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Solution

The fourth proportional to 53,434.30, 80,266.65 and 51,475.90 is: 77,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434.30 : 80,266.65 = 51,475.90 : x
  2. Step 2: Convert to fraction form
    53,434.30/80,266.65 = 51,475.90/x
  3. Step 3: Cross multiply
    53,434.30x = 80,266.65 × 51,475.90
  4. Step 4: Simplify right side
    53,434.30x = 4,131,798,048.74
  5. Step 5: Solve for x
    x = 4,131,798,048.74/53,434.30
  6. Step 6: Final answer
    x = 77,324.83

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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.