Home / 74,566.07-102,902.89-42,302.85

Finding the Fourth Proportional to 74,566.07, 102,902.89 and 42,302.85

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Solution

The fourth proportional to 74,566.07, 102,902.89 and 42,302.85 is: 58,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,566.07 : 102,902.89 = 42,302.85 : x
  2. Step 2: Convert to fraction form
    74,566.07/102,902.89 = 42,302.85/x
  3. Step 3: Cross multiply
    74,566.07x = 102,902.89 × 42,302.85
  4. Step 4: Simplify right side
    74,566.07x = 4,353,085,005.72
  5. Step 5: Solve for x
    x = 4,353,085,005.72/74,566.07
  6. Step 6: Final answer
    x = 58,378.90

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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.