Home / 54,165.75-74,749.76-30,295.05

Finding the Fourth Proportional to 54,165.75, 74,749.76 and 30,295.05

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Solution

The fourth proportional to 54,165.75, 74,749.76 and 30,295.05 is: 41,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,165.75 : 74,749.76 = 30,295.05 : x
  2. Step 2: Convert to fraction form
    54,165.75/74,749.76 = 30,295.05/x
  3. Step 3: Cross multiply
    54,165.75x = 74,749.76 × 30,295.05
  4. Step 4: Simplify right side
    54,165.75x = 2,264,547,716.69
  5. Step 5: Solve for x
    x = 2,264,547,716.69/54,165.75
  6. Step 6: Final answer
    x = 41,807.74

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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.