Home / 75,220.63-103,804.04-41,230.55

Finding the Fourth Proportional to 75,220.63, 103,804.04 and 41,230.55

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Solution

The fourth proportional to 75,220.63, 103,804.04 and 41,230.55 is: 56,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,220.63 : 103,804.04 = 41,230.55 : x
  2. Step 2: Convert to fraction form
    75,220.63/103,804.04 = 41,230.55/x
  3. Step 3: Cross multiply
    75,220.63x = 103,804.04 × 41,230.55
  4. Step 4: Simplify right side
    75,220.63x = 4,279,898,024.01
  5. Step 5: Solve for x
    x = 4,279,898,024.01/75,220.63
  6. Step 6: Final answer
    x = 56,897.93

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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.