Home / 53,782.08-74,219.38-29,908.56

Finding the Fourth Proportional to 53,782.08, 74,219.38 and 29,908.56

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Solution

The fourth proportional to 53,782.08, 74,219.38 and 29,908.56 is: 41,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,782.08 : 74,219.38 = 29,908.56 : x
  2. Step 2: Convert to fraction form
    53,782.08/74,219.38 = 29,908.56/x
  3. Step 3: Cross multiply
    53,782.08x = 74,219.38 × 29,908.56
  4. Step 4: Simplify right side
    53,782.08x = 2,219,794,779.89
  5. Step 5: Solve for x
    x = 2,219,794,779.89/53,782.08
  6. Step 6: Final answer
    x = 41,273.87

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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.