Home / 74,807.22-112,210.52-30,433.61

Finding the Fourth Proportional to 74,807.22, 112,210.52 and 30,433.61

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Solution

The fourth proportional to 74,807.22, 112,210.52 and 30,433.61 is: 45,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807.22 : 112,210.52 = 30,433.61 : x
  2. Step 2: Convert to fraction form
    74,807.22/112,210.52 = 30,433.61/x
  3. Step 3: Cross multiply
    74,807.22x = 112,210.52 × 30,433.61
  4. Step 4: Simplify right side
    74,807.22x = 3,414,970,490.36
  5. Step 5: Solve for x
    x = 3,414,970,490.36/74,807.22
  6. Step 6: Final answer
    x = 45,650.28

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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.