Home / 54,277.17-74,901.15-30,403.68

Finding the Fourth Proportional to 54,277.17, 74,901.15 and 30,403.68

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Solution

The fourth proportional to 54,277.17, 74,901.15 and 30,403.68 is: 41,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,277.17 : 74,901.15 = 30,403.68 : x
  2. Step 2: Convert to fraction form
    54,277.17/74,901.15 = 30,403.68/x
  3. Step 3: Cross multiply
    54,277.17x = 74,901.15 × 30,403.68
  4. Step 4: Simplify right side
    54,277.17x = 2,277,270,596.23
  5. Step 5: Solve for x
    x = 2,277,270,596.23/54,277.17
  6. Step 6: Final answer
    x = 41,956.33

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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.