Home / 74,137.61-102,317.22-42,311.27

Finding the Fourth Proportional to 74,137.61, 102,317.22 and 42,311.27

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Solution

The fourth proportional to 74,137.61, 102,317.22 and 42,311.27 is: 58,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,137.61 : 102,317.22 = 42,311.27 : x
  2. Step 2: Convert to fraction form
    74,137.61/102,317.22 = 42,311.27/x
  3. Step 3: Cross multiply
    74,137.61x = 102,317.22 × 42,311.27
  4. Step 4: Simplify right side
    74,137.61x = 4,329,171,521.07
  5. Step 5: Solve for x
    x = 4,329,171,521.07/74,137.61
  6. Step 6: Final answer
    x = 58,393.73

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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.