Home / 74,261.37-102,483.33-53,091.21

Finding the Fourth Proportional to 74,261.37, 102,483.33 and 53,091.21

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Solution

The fourth proportional to 74,261.37, 102,483.33 and 53,091.21 is: 73,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.37 : 102,483.33 = 53,091.21 : x
  2. Step 2: Convert to fraction form
    74,261.37/102,483.33 = 53,091.21/x
  3. Step 3: Cross multiply
    74,261.37x = 102,483.33 × 53,091.21
  4. Step 4: Simplify right side
    74,261.37x = 5,440,963,994.53
  5. Step 5: Solve for x
    x = 5,440,963,994.53/74,261.37
  6. Step 6: Final answer
    x = 73,267.76

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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.