Home / 53,289.75-73,531.48-30,624.36

Finding the Fourth Proportional to 53,289.75, 73,531.48 and 30,624.36

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Solution

The fourth proportional to 53,289.75, 73,531.48 and 30,624.36 is: 42,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.75 : 73,531.48 = 30,624.36 : x
  2. Step 2: Convert to fraction form
    53,289.75/73,531.48 = 30,624.36/x
  3. Step 3: Cross multiply
    53,289.75x = 73,531.48 × 30,624.36
  4. Step 4: Simplify right side
    53,289.75x = 2,251,854,514.85
  5. Step 5: Solve for x
    x = 2,251,854,514.85/53,289.75
  6. Step 6: Final answer
    x = 42,256.80

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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.