Home / 74,126.76-102,187.62-45,783.24

Finding the Fourth Proportional to 74,126.76, 102,187.62 and 45,783.24

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Solution

The fourth proportional to 74,126.76, 102,187.62 and 45,783.24 is: 63,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.76 : 102,187.62 = 45,783.24 : x
  2. Step 2: Convert to fraction form
    74,126.76/102,187.62 = 45,783.24/x
  3. Step 3: Cross multiply
    74,126.76x = 102,187.62 × 45,783.24
  4. Step 4: Simplify right side
    74,126.76x = 4,678,480,331.49
  5. Step 5: Solve for x
    x = 4,678,480,331.49/74,126.76
  6. Step 6: Final answer
    x = 63,114.59

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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.