Home / 74,552.37-102,881.17-40,561.16

Finding the Fourth Proportional to 74,552.37, 102,881.17 and 40,561.16

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Solution

The fourth proportional to 74,552.37, 102,881.17 and 40,561.16 is: 55,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,552.37 : 102,881.17 = 40,561.16 : x
  2. Step 2: Convert to fraction form
    74,552.37/102,881.17 = 40,561.16/x
  3. Step 3: Cross multiply
    74,552.37x = 102,881.17 × 40,561.16
  4. Step 4: Simplify right side
    74,552.37x = 4,172,979,133.65
  5. Step 5: Solve for x
    x = 4,172,979,133.65/74,552.37
  6. Step 6: Final answer
    x = 55,973.80

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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.