Home / 53,091.05-79,636.49-36,400.48

Finding the Fourth Proportional to 53,091.05, 79,636.49 and 36,400.48

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Solution

The fourth proportional to 53,091.05, 79,636.49 and 36,400.48 is: 54,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.05 : 79,636.49 = 36,400.48 : x
  2. Step 2: Convert to fraction form
    53,091.05/79,636.49 = 36,400.48/x
  3. Step 3: Cross multiply
    53,091.05x = 79,636.49 × 36,400.48
  4. Step 4: Simplify right side
    53,091.05x = 2,898,806,080.42
  5. Step 5: Solve for x
    x = 2,898,806,080.42/53,091.05
  6. Step 6: Final answer
    x = 54,600.66

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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.