Home / 56,161.47-84,214.03-18,708.49

Finding the Fourth Proportional to 56,161.47, 84,214.03 and 18,708.49

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Solution

The fourth proportional to 56,161.47, 84,214.03 and 18,708.49 is: 28,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,161.47 : 84,214.03 = 18,708.49 : x
  2. Step 2: Convert to fraction form
    56,161.47/84,214.03 = 18,708.49/x
  3. Step 3: Cross multiply
    56,161.47x = 84,214.03 × 18,708.49
  4. Step 4: Simplify right side
    56,161.47x = 1,575,517,338.11
  5. Step 5: Solve for x
    x = 1,575,517,338.11/56,161.47
  6. Step 6: Final answer
    x = 28,053.35

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1.5x scale

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.