Home / 53,115.34-73,303.44-30,456.43

Finding the Fourth Proportional to 53,115.34, 73,303.44 and 30,456.43

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Solution

The fourth proportional to 53,115.34, 73,303.44 and 30,456.43 is: 42,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.34 : 73,303.44 = 30,456.43 : x
  2. Step 2: Convert to fraction form
    53,115.34/73,303.44 = 30,456.43/x
  3. Step 3: Cross multiply
    53,115.34x = 73,303.44 × 30,456.43
  4. Step 4: Simplify right side
    53,115.34x = 2,232,560,722.60
  5. Step 5: Solve for x
    x = 2,232,560,722.60/53,115.34
  6. Step 6: Final answer
    x = 42,032.32

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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.