Home / 53,136.30-73,330.35-30,481.68

Finding the Fourth Proportional to 53,136.30, 73,330.35 and 30,481.68

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Solution

The fourth proportional to 53,136.30, 73,330.35 and 30,481.68 is: 42,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.30 : 73,330.35 = 30,481.68 : x
  2. Step 2: Convert to fraction form
    53,136.30/73,330.35 = 30,481.68/x
  3. Step 3: Cross multiply
    53,136.30x = 73,330.35 × 30,481.68
  4. Step 4: Simplify right side
    53,136.30x = 2,235,232,262.99
  5. Step 5: Solve for x
    x = 2,235,232,262.99/53,136.30
  6. Step 6: Final answer
    x = 42,066.01

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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.