Home / 53,060.58-79,563.48-15,615.80

Finding the Fourth Proportional to 53,060.58, 79,563.48 and 15,615.80

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Solution

The fourth proportional to 53,060.58, 79,563.48 and 15,615.80 is: 23,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,060.58 : 79,563.48 = 15,615.80 : x
  2. Step 2: Convert to fraction form
    53,060.58/79,563.48 = 15,615.80/x
  3. Step 3: Cross multiply
    53,060.58x = 79,563.48 × 15,615.80
  4. Step 4: Simplify right side
    53,060.58x = 1,242,446,993.17
  5. Step 5: Solve for x
    x = 1,242,446,993.17/53,060.58
  6. Step 6: Final answer
    x = 23,415.63

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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.