Home / 74,214.94-102,421.56-41,938.36

Finding the Fourth Proportional to 74,214.94, 102,421.56 and 41,938.36

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Solution

The fourth proportional to 74,214.94, 102,421.56 and 41,938.36 is: 57,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,214.94 : 102,421.56 = 41,938.36 : x
  2. Step 2: Convert to fraction form
    74,214.94/102,421.56 = 41,938.36/x
  3. Step 3: Cross multiply
    74,214.94x = 102,421.56 × 41,938.36
  4. Step 4: Simplify right side
    74,214.94x = 4,295,392,255.04
  5. Step 5: Solve for x
    x = 4,295,392,255.04/74,214.94
  6. Step 6: Final answer
    x = 57,877.73

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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.