Home / 53,137.45-73,327.30-30,460.18

Finding the Fourth Proportional to 53,137.45, 73,327.30 and 30,460.18

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Solution

The fourth proportional to 53,137.45, 73,327.30 and 30,460.18 is: 42,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.45 : 73,327.30 = 30,460.18 : x
  2. Step 2: Convert to fraction form
    53,137.45/73,327.30 = 30,460.18/x
  3. Step 3: Cross multiply
    53,137.45x = 73,327.30 × 30,460.18
  4. Step 4: Simplify right side
    53,137.45x = 2,233,562,756.91
  5. Step 5: Solve for x
    x = 2,233,562,756.91/53,137.45
  6. Step 6: Final answer
    x = 42,033.68

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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.