Home / 74,676.68-103,055.94-42,851.24

Finding the Fourth Proportional to 74,676.68, 103,055.94 and 42,851.24

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Solution

The fourth proportional to 74,676.68, 103,055.94 and 42,851.24 is: 59,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,676.68 : 103,055.94 = 42,851.24 : x
  2. Step 2: Convert to fraction form
    74,676.68/103,055.94 = 42,851.24/x
  3. Step 3: Cross multiply
    74,676.68x = 103,055.94 × 42,851.24
  4. Step 4: Simplify right side
    74,676.68x = 4,416,074,818.37
  5. Step 5: Solve for x
    x = 4,416,074,818.37/74,676.68
  6. Step 6: Final answer
    x = 59,135.93

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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.