Home / 53,146.02-73,313.37-31,620.48

Finding the Fourth Proportional to 53,146.02, 73,313.37 and 31,620.48

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Solution

The fourth proportional to 53,146.02, 73,313.37 and 31,620.48 is: 43,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.02 : 73,313.37 = 31,620.48 : x
  2. Step 2: Convert to fraction form
    53,146.02/73,313.37 = 31,620.48/x
  3. Step 3: Cross multiply
    53,146.02x = 73,313.37 × 31,620.48
  4. Step 4: Simplify right side
    53,146.02x = 2,318,203,949.82
  5. Step 5: Solve for x
    x = 2,318,203,949.82/53,146.02
  6. Step 6: Final answer
    x = 43,619.52

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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.