Home / 105,408.06-145,466.58-60,085.23

Finding the Fourth Proportional to 105,408.06, 145,466.58 and 60,085.23

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Solution

The fourth proportional to 105,408.06, 145,466.58 and 60,085.23 is: 82,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,408.06 : 145,466.58 = 60,085.23 : x
  2. Step 2: Convert to fraction form
    105,408.06/145,466.58 = 60,085.23/x
  3. Step 3: Cross multiply
    105,408.06x = 145,466.58 × 60,085.23
  4. Step 4: Simplify right side
    105,408.06x = 8,740,392,916.61
  5. Step 5: Solve for x
    x = 8,740,392,916.61/105,408.06
  6. Step 6: Final answer
    x = 82,919.59

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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.