Home / 53,090.92-73,270.20-30,437.92

Finding the Fourth Proportional to 53,090.92, 73,270.20 and 30,437.92

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Solution

The fourth proportional to 53,090.92, 73,270.20 and 30,437.92 is: 42,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.92 : 73,270.20 = 30,437.92 : x
  2. Step 2: Convert to fraction form
    53,090.92/73,270.20 = 30,437.92/x
  3. Step 3: Cross multiply
    53,090.92x = 73,270.20 × 30,437.92
  4. Step 4: Simplify right side
    53,090.92x = 2,230,192,485.98
  5. Step 5: Solve for x
    x = 2,230,192,485.98/53,090.92
  6. Step 6: Final answer
    x = 42,007.04

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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.