Home / 53,073.88-79,598.05-15,623.78

Finding the Fourth Proportional to 53,073.88, 79,598.05 and 15,623.78

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Solution

The fourth proportional to 53,073.88, 79,598.05 and 15,623.78 is: 23,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,073.88 : 79,598.05 = 15,623.78 : x
  2. Step 2: Convert to fraction form
    53,073.88/79,598.05 = 15,623.78/x
  3. Step 3: Cross multiply
    53,073.88x = 79,598.05 × 15,623.78
  4. Step 4: Simplify right side
    53,073.88x = 1,243,621,984.58
  5. Step 5: Solve for x
    x = 1,243,621,984.58/53,073.88
  6. Step 6: Final answer
    x = 23,431.90

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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.