Home / 53,783.05-74,211.87-29,909.11

Finding the Fourth Proportional to 53,783.05, 74,211.87 and 29,909.11

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Solution

The fourth proportional to 53,783.05, 74,211.87 and 29,909.11 is: 41,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,783.05 : 74,211.87 = 29,909.11 : x
  2. Step 2: Convert to fraction form
    53,783.05/74,211.87 = 29,909.11/x
  3. Step 3: Cross multiply
    53,783.05x = 74,211.87 × 29,909.11
  4. Step 4: Simplify right side
    53,783.05x = 2,219,610,909.77
  5. Step 5: Solve for x
    x = 2,219,610,909.77/53,783.05
  6. Step 6: Final answer
    x = 41,269.71

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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.