Home / 74,013.48-102,132-41,750.46

Finding the Fourth Proportional to 74,013.48, 102,132 and 41,750.46

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Solution

The fourth proportional to 74,013.48, 102,132 and 41,750.46 is: 57,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,013.48 : 102,132 = 41,750.46 : x
  2. Step 2: Convert to fraction form
    74,013.48/102,132 = 41,750.46/x
  3. Step 3: Cross multiply
    74,013.48x = 102,132 × 41,750.46
  4. Step 4: Simplify right side
    74,013.48x = 4,264,057,980.72
  5. Step 5: Solve for x
    x = 4,264,057,980.72/74,013.48
  6. Step 6: Final answer
    x = 57,611.91

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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.