Home / 54,383.04-75,031.77-31,705.99

Finding the Fourth Proportional to 54,383.04, 75,031.77 and 31,705.99

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Solution

The fourth proportional to 54,383.04, 75,031.77 and 31,705.99 is: 43,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.04 : 75,031.77 = 31,705.99 : x
  2. Step 2: Convert to fraction form
    54,383.04/75,031.77 = 31,705.99/x
  3. Step 3: Cross multiply
    54,383.04x = 75,031.77 × 31,705.99
  4. Step 4: Simplify right side
    54,383.04x = 2,378,956,174.14
  5. Step 5: Solve for x
    x = 2,378,956,174.14/54,383.04
  6. Step 6: Final answer
    x = 43,744.45

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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.