Home / 74,142.00-102,316.01-40,150.52

Finding the Fourth Proportional to 74,142.00, 102,316.01 and 40,150.52

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Solution

The fourth proportional to 74,142.00, 102,316.01 and 40,150.52 is: 55,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,142.00 : 102,316.01 = 40,150.52 : x
  2. Step 2: Convert to fraction form
    74,142.00/102,316.01 = 40,150.52/x
  3. Step 3: Cross multiply
    74,142.00x = 102,316.01 × 40,150.52
  4. Step 4: Simplify right side
    74,142.00x = 4,108,041,261.62
  5. Step 5: Solve for x
    x = 4,108,041,261.62/74,142.00
  6. Step 6: Final answer
    x = 55,407.75

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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.