Home / 53,776.44-74,212.20-29,905.20

Finding the Fourth Proportional to 53,776.44, 74,212.20 and 29,905.20

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Solution

The fourth proportional to 53,776.44, 74,212.20 and 29,905.20 is: 41,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,776.44 : 74,212.20 = 29,905.20 : x
  2. Step 2: Convert to fraction form
    53,776.44/74,212.20 = 29,905.20/x
  3. Step 3: Cross multiply
    53,776.44x = 74,212.20 × 29,905.20
  4. Step 4: Simplify right side
    53,776.44x = 2,219,330,683.44
  5. Step 5: Solve for x
    x = 2,219,330,683.44/53,776.44
  6. Step 6: Final answer
    x = 41,269.57

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1.5x scale

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.