Home / 74,274.06-102,498.38-42,442.89

Finding the Fourth Proportional to 74,274.06, 102,498.38 and 42,442.89

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Solution

The fourth proportional to 74,274.06, 102,498.38 and 42,442.89 is: 58,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.06 : 102,498.38 = 42,442.89 : x
  2. Step 2: Convert to fraction form
    74,274.06/102,498.38 = 42,442.89/x
  3. Step 3: Cross multiply
    74,274.06x = 102,498.38 × 42,442.89
  4. Step 4: Simplify right side
    74,274.06x = 4,350,327,467.52
  5. Step 5: Solve for x
    x = 4,350,327,467.52/74,274.06
  6. Step 6: Final answer
    x = 58,571.29

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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.