Home / 53,742.58-74,164.22-29,868.74

Finding the Fourth Proportional to 53,742.58, 74,164.22 and 29,868.74

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Solution

The fourth proportional to 53,742.58, 74,164.22 and 29,868.74 is: 41,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.58 : 74,164.22 = 29,868.74 : x
  2. Step 2: Convert to fraction form
    53,742.58/74,164.22 = 29,868.74/x
  3. Step 3: Cross multiply
    53,742.58x = 74,164.22 × 29,868.74
  4. Step 4: Simplify right side
    53,742.58x = 2,215,191,804.48
  5. Step 5: Solve for x
    x = 2,215,191,804.48/53,742.58
  6. Step 6: Final answer
    x = 41,218.56

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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.