Home / 74,664.72-112,023-49,804.56

Finding the Fourth Proportional to 74,664.72, 112,023 and 49,804.56

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Solution

The fourth proportional to 74,664.72, 112,023 and 49,804.56 is: 74,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.72 : 112,023 = 49,804.56 : x
  2. Step 2: Convert to fraction form
    74,664.72/112,023 = 49,804.56/x
  3. Step 3: Cross multiply
    74,664.72x = 112,023 × 49,804.56
  4. Step 4: Simplify right side
    74,664.72x = 5,579,256,224.88
  5. Step 5: Solve for x
    x = 5,579,256,224.88/74,664.72
  6. Step 6: Final answer
    x = 74,724.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.