Home / 54,403.04-75,081.59-30,529.81

Finding the Fourth Proportional to 54,403.04, 75,081.59 and 30,529.81

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Solution

The fourth proportional to 54,403.04, 75,081.59 and 30,529.81 is: 42,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.04 : 75,081.59 = 30,529.81 : x
  2. Step 2: Convert to fraction form
    54,403.04/75,081.59 = 30,529.81/x
  3. Step 3: Cross multiply
    54,403.04x = 75,081.59 × 30,529.81
  4. Step 4: Simplify right side
    54,403.04x = 2,292,226,489.49
  5. Step 5: Solve for x
    x = 2,292,226,489.49/54,403.04
  6. Step 6: Final answer
    x = 42,134.16

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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.