Home / 53,621.50-73,997.73-31,269.82

Finding the Fourth Proportional to 53,621.50, 73,997.73 and 31,269.82

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Solution

The fourth proportional to 53,621.50, 73,997.73 and 31,269.82 is: 43,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.50 : 73,997.73 = 31,269.82 : x
  2. Step 2: Convert to fraction form
    53,621.50/73,997.73 = 31,269.82/x
  3. Step 3: Cross multiply
    53,621.50x = 73,997.73 × 31,269.82
  4. Step 4: Simplify right side
    53,621.50x = 2,313,895,697.51
  5. Step 5: Solve for x
    x = 2,313,895,697.51/53,621.50
  6. Step 6: Final answer
    x = 43,152.39

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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.