Home / 54,276.08-74,900.55-30,402.98

Finding the Fourth Proportional to 54,276.08, 74,900.55 and 30,402.98

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Solution

The fourth proportional to 54,276.08, 74,900.55 and 30,402.98 is: 41,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.08 : 74,900.55 = 30,402.98 : x
  2. Step 2: Convert to fraction form
    54,276.08/74,900.55 = 30,402.98/x
  3. Step 3: Cross multiply
    54,276.08x = 74,900.55 × 30,402.98
  4. Step 4: Simplify right side
    54,276.08x = 2,277,199,923.64
  5. Step 5: Solve for x
    x = 2,277,199,923.64/54,276.08
  6. Step 6: Final answer
    x = 41,955.87

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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.