Home / 74,118.32-102,293.16-43,901.20

Finding the Fourth Proportional to 74,118.32, 102,293.16 and 43,901.20

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Solution

The fourth proportional to 74,118.32, 102,293.16 and 43,901.20 is: 60,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.32 : 102,293.16 = 43,901.20 : x
  2. Step 2: Convert to fraction form
    74,118.32/102,293.16 = 43,901.20/x
  3. Step 3: Cross multiply
    74,118.32x = 102,293.16 × 43,901.20
  4. Step 4: Simplify right side
    74,118.32x = 4,490,792,475.79
  5. Step 5: Solve for x
    x = 4,490,792,475.79/74,118.32
  6. Step 6: Final answer
    x = 60,589.51

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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.