Home / 74,200.10-102,531.93-54,021.96

Finding the Fourth Proportional to 74,200.10, 102,531.93 and 54,021.96

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Solution

The fourth proportional to 74,200.10, 102,531.93 and 54,021.96 is: 74,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,200.10 : 102,531.93 = 54,021.96 : x
  2. Step 2: Convert to fraction form
    74,200.10/102,531.93 = 54,021.96/x
  3. Step 3: Cross multiply
    74,200.10x = 102,531.93 × 54,021.96
  4. Step 4: Simplify right side
    74,200.10x = 5,538,975,821.18
  5. Step 5: Solve for x
    x = 5,538,975,821.18/74,200.10
  6. Step 6: Final answer
    x = 74,649.17

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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.