Home / 53,693.88-74,103.36-34,330.34

Finding the Fourth Proportional to 53,693.88, 74,103.36 and 34,330.34

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Solution

The fourth proportional to 53,693.88, 74,103.36 and 34,330.34 is: 47,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.88 : 74,103.36 = 34,330.34 : x
  2. Step 2: Convert to fraction form
    53,693.88/74,103.36 = 34,330.34/x
  3. Step 3: Cross multiply
    53,693.88x = 74,103.36 × 34,330.34
  4. Step 4: Simplify right side
    53,693.88x = 2,543,993,543.94
  5. Step 5: Solve for x
    x = 2,543,993,543.94/53,693.88
  6. Step 6: Final answer
    x = 47,379.58

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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.