Home / 73,073.02-100,838.81-40,806.75

Finding the Fourth Proportional to 73,073.02, 100,838.81 and 40,806.75

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Solution

The fourth proportional to 73,073.02, 100,838.81 and 40,806.75 is: 56,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,073.02 : 100,838.81 = 40,806.75 : x
  2. Step 2: Convert to fraction form
    73,073.02/100,838.81 = 40,806.75/x
  3. Step 3: Cross multiply
    73,073.02x = 100,838.81 × 40,806.75
  4. Step 4: Simplify right side
    73,073.02x = 4,114,904,107.33
  5. Step 5: Solve for x
    x = 4,114,904,107.33/73,073.02
  6. Step 6: Final answer
    x = 56,312.22

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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.