Home / 53,242.74-73,478.61-30,886.74

Finding the Fourth Proportional to 53,242.74, 73,478.61 and 30,886.74

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Solution

The fourth proportional to 53,242.74, 73,478.61 and 30,886.74 is: 42,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.74 : 73,478.61 = 30,886.74 : x
  2. Step 2: Convert to fraction form
    53,242.74/73,478.61 = 30,886.74/x
  3. Step 3: Cross multiply
    53,242.74x = 73,478.61 × 30,886.74
  4. Step 4: Simplify right side
    53,242.74x = 2,269,514,722.63
  5. Step 5: Solve for x
    x = 2,269,514,722.63/53,242.74
  6. Step 6: Final answer
    x = 42,625.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.