Home / 53,779.44-74,216.34-29,908.20

Finding the Fourth Proportional to 53,779.44, 74,216.34 and 29,908.20

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Solution

The fourth proportional to 53,779.44, 74,216.34 and 29,908.20 is: 41,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.44 : 74,216.34 = 29,908.20 : x
  2. Step 2: Convert to fraction form
    53,779.44/74,216.34 = 29,908.20/x
  3. Step 3: Cross multiply
    53,779.44x = 74,216.34 × 29,908.20
  4. Step 4: Simplify right side
    53,779.44x = 2,219,677,139.99
  5. Step 5: Solve for x
    x = 2,219,677,139.99/53,779.44
  6. Step 6: Final answer
    x = 41,273.71

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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.