Home / 47,203.92-65,108.23-31,066.09

Finding the Fourth Proportional to 47,203.92, 65,108.23 and 31,066.09

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Solution

The fourth proportional to 47,203.92, 65,108.23 and 31,066.09 is: 42,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,203.92 : 65,108.23 = 31,066.09 : x
  2. Step 2: Convert to fraction form
    47,203.92/65,108.23 = 31,066.09/x
  3. Step 3: Cross multiply
    47,203.92x = 65,108.23 × 31,066.09
  4. Step 4: Simplify right side
    47,203.92x = 2,022,657,892.48
  5. Step 5: Solve for x
    x = 2,022,657,892.48/47,203.92
  6. Step 6: Final answer
    x = 42,849.36

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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.