Home / 50,809.86-70,117.47-29,299.50

Finding the Fourth Proportional to 50,809.86, 70,117.47 and 29,299.50

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Solution

The fourth proportional to 50,809.86, 70,117.47 and 29,299.50 is: 40,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.86 : 70,117.47 = 29,299.50 : x
  2. Step 2: Convert to fraction form
    50,809.86/70,117.47 = 29,299.50/x
  3. Step 3: Cross multiply
    50,809.86x = 70,117.47 × 29,299.50
  4. Step 4: Simplify right side
    50,809.86x = 2,054,406,812.27
  5. Step 5: Solve for x
    x = 2,054,406,812.27/50,809.86
  6. Step 6: Final answer
    x = 40,433.23

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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.