Home / 54,276.93-74,901.28-30,403.53

Finding the Fourth Proportional to 54,276.93, 74,901.28 and 30,403.53

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Solution

The fourth proportional to 54,276.93, 74,901.28 and 30,403.53 is: 41,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.93 : 74,901.28 = 30,403.53 : x
  2. Step 2: Convert to fraction form
    54,276.93/74,901.28 = 30,403.53/x
  3. Step 3: Cross multiply
    54,276.93x = 74,901.28 × 30,403.53
  4. Step 4: Simplify right side
    54,276.93x = 2,277,263,313.52
  5. Step 5: Solve for x
    x = 2,277,263,313.52/54,276.93
  6. Step 6: Final answer
    x = 41,956.38

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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.