Home / 53,109.96-73,290.45-29,236.42

Finding the Fourth Proportional to 53,109.96, 73,290.45 and 29,236.42

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Solution

The fourth proportional to 53,109.96, 73,290.45 and 29,236.42 is: 40,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.96 : 73,290.45 = 29,236.42 : x
  2. Step 2: Convert to fraction form
    53,109.96/73,290.45 = 29,236.42/x
  3. Step 3: Cross multiply
    53,109.96x = 73,290.45 × 29,236.42
  4. Step 4: Simplify right side
    53,109.96x = 2,142,750,378.19
  5. Step 5: Solve for x
    x = 2,142,750,378.19/53,109.96
  6. Step 6: Final answer
    x = 40,345.55

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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.