Home / 42,124.26-58,408.44-40,719.15

Finding the Fourth Proportional to 42,124.26, 58,408.44 and 40,719.15

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Solution

The fourth proportional to 42,124.26, 58,408.44 and 40,719.15 is: 56,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124.26 : 58,408.44 = 40,719.15 : x
  2. Step 2: Convert to fraction form
    42,124.26/58,408.44 = 40,719.15/x
  3. Step 3: Cross multiply
    42,124.26x = 58,408.44 × 40,719.15
  4. Step 4: Simplify right side
    42,124.26x = 2,378,342,029.63
  5. Step 5: Solve for x
    x = 2,378,342,029.63/42,124.26
  6. Step 6: Final answer
    x = 56,460.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.