Home / 53,113.39-79,651.51-15,663.52

Finding the Fourth Proportional to 53,113.39, 79,651.51 and 15,663.52

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Solution

The fourth proportional to 53,113.39, 79,651.51 and 15,663.52 is: 23,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.39 : 79,651.51 = 15,663.52 : x
  2. Step 2: Convert to fraction form
    53,113.39/79,651.51 = 15,663.52/x
  3. Step 3: Cross multiply
    53,113.39x = 79,651.51 × 15,663.52
  4. Step 4: Simplify right side
    53,113.39x = 1,247,623,019.92
  5. Step 5: Solve for x
    x = 1,247,623,019.92/53,113.39
  6. Step 6: Final answer
    x = 23,489.80

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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.