Home / 74,832.16-112,151.24-30,407.36

Finding the Fourth Proportional to 74,832.16, 112,151.24 and 30,407.36

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Solution

The fourth proportional to 74,832.16, 112,151.24 and 30,407.36 is: 45,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,832.16 : 112,151.24 = 30,407.36 : x
  2. Step 2: Convert to fraction form
    74,832.16/112,151.24 = 30,407.36/x
  3. Step 3: Cross multiply
    74,832.16x = 112,151.24 × 30,407.36
  4. Step 4: Simplify right side
    74,832.16x = 3,410,223,129.13
  5. Step 5: Solve for x
    x = 3,410,223,129.13/74,832.16
  6. Step 6: Final answer
    x = 45,571.62

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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.