Home / 53,113.51-79,672.17-18,048.61

Finding the Fourth Proportional to 53,113.51, 79,672.17 and 18,048.61

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Solution

The fourth proportional to 53,113.51, 79,672.17 and 18,048.61 is: 27,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.51 : 79,672.17 = 18,048.61 : x
  2. Step 2: Convert to fraction form
    53,113.51/79,672.17 = 18,048.61/x
  3. Step 3: Cross multiply
    53,113.51x = 79,672.17 × 18,048.61
  4. Step 4: Simplify right side
    53,113.51x = 1,437,971,924.18
  5. Step 5: Solve for x
    x = 1,437,971,924.18/53,113.51
  6. Step 6: Final answer
    x = 27,073.56

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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.