Home / 74,032.82-102,164.98-40,041.34

Finding the Fourth Proportional to 74,032.82, 102,164.98 and 40,041.34

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Solution

The fourth proportional to 74,032.82, 102,164.98 and 40,041.34 is: 55,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,032.82 : 102,164.98 = 40,041.34 : x
  2. Step 2: Convert to fraction form
    74,032.82/102,164.98 = 40,041.34/x
  3. Step 3: Cross multiply
    74,032.82x = 102,164.98 × 40,041.34
  4. Step 4: Simplify right side
    74,032.82x = 4,090,822,700.27
  5. Step 5: Solve for x
    x = 4,090,822,700.27/74,032.82
  6. Step 6: Final answer
    x = 55,256.88

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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.