Home / 53,779.20-74,215.14-29,908.08

Finding the Fourth Proportional to 53,779.20, 74,215.14 and 29,908.08

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Solution

The fourth proportional to 53,779.20, 74,215.14 and 29,908.08 is: 41,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.20 : 74,215.14 = 29,908.08 : x
  2. Step 2: Convert to fraction form
    53,779.20/74,215.14 = 29,908.08/x
  3. Step 3: Cross multiply
    53,779.20x = 74,215.14 × 29,908.08
  4. Step 4: Simplify right side
    53,779.20x = 2,219,632,344.33
  5. Step 5: Solve for x
    x = 2,219,632,344.33/53,779.20
  6. Step 6: Final answer
    x = 41,273.06

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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.