Home / 74,035.94-102,172.06-40,501.94

Finding the Fourth Proportional to 74,035.94, 102,172.06 and 40,501.94

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Solution

The fourth proportional to 74,035.94, 102,172.06 and 40,501.94 is: 55,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.94 : 102,172.06 = 40,501.94 : x
  2. Step 2: Convert to fraction form
    74,035.94/102,172.06 = 40,501.94/x
  3. Step 3: Cross multiply
    74,035.94x = 102,172.06 × 40,501.94
  4. Step 4: Simplify right side
    74,035.94x = 4,138,166,643.80
  5. Step 5: Solve for x
    x = 4,138,166,643.80/74,035.94
  6. Step 6: Final answer
    x = 55,894.02

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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.