Home / 74,315.86-102,579.33-50,151.94

Finding the Fourth Proportional to 74,315.86, 102,579.33 and 50,151.94

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Solution

The fourth proportional to 74,315.86, 102,579.33 and 50,151.94 is: 69,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.86 : 102,579.33 = 50,151.94 : x
  2. Step 2: Convert to fraction form
    74,315.86/102,579.33 = 50,151.94/x
  3. Step 3: Cross multiply
    74,315.86x = 102,579.33 × 50,151.94
  4. Step 4: Simplify right side
    74,315.86x = 5,144,552,403.40
  5. Step 5: Solve for x
    x = 5,144,552,403.40/74,315.86
  6. Step 6: Final answer
    x = 69,225.50

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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.