Home / 53,742.71-74,164.39-29,868.90

Finding the Fourth Proportional to 53,742.71, 74,164.39 and 29,868.90

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Solution

The fourth proportional to 53,742.71, 74,164.39 and 29,868.90 is: 41,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.71 : 74,164.39 = 29,868.90 : x
  2. Step 2: Convert to fraction form
    53,742.71/74,164.39 = 29,868.90/x
  3. Step 3: Cross multiply
    53,742.71x = 74,164.39 × 29,868.90
  4. Step 4: Simplify right side
    53,742.71x = 2,215,208,748.47
  5. Step 5: Solve for x
    x = 2,215,208,748.47/53,742.71
  6. Step 6: Final answer
    x = 41,218.78

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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.