Home / 53,116.06-73,292.44-30,142.30

Finding the Fourth Proportional to 53,116.06, 73,292.44 and 30,142.30

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Solution

The fourth proportional to 53,116.06, 73,292.44 and 30,142.30 is: 41,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.06 : 73,292.44 = 30,142.30 : x
  2. Step 2: Convert to fraction form
    53,116.06/73,292.44 = 30,142.30/x
  3. Step 3: Cross multiply
    53,116.06x = 73,292.44 × 30,142.30
  4. Step 4: Simplify right side
    53,116.06x = 2,209,202,714.21
  5. Step 5: Solve for x
    x = 2,209,202,714.21/53,116.06
  6. Step 6: Final answer
    x = 41,591.99

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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.