Home / 53,115.79-73,283.24-30,141.80

Finding the Fourth Proportional to 53,115.79, 73,283.24 and 30,141.80

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Solution

The fourth proportional to 53,115.79, 73,283.24 and 30,141.80 is: 41,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.79 : 73,283.24 = 30,141.80 : x
  2. Step 2: Convert to fraction form
    53,115.79/73,283.24 = 30,141.80/x
  3. Step 3: Cross multiply
    53,115.79x = 73,283.24 × 30,141.80
  4. Step 4: Simplify right side
    53,115.79x = 2,208,888,612.72
  5. Step 5: Solve for x
    x = 2,208,888,612.72/53,115.79
  6. Step 6: Final answer
    x = 41,586.29

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1.5x scale

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.