Home / 68,271.60-102,407.40-58,758.15

Finding the Fourth Proportional to 68,271.60, 102,407.40 and 58,758.15

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Solution

The fourth proportional to 68,271.60, 102,407.40 and 58,758.15 is: 88,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,271.60 : 102,407.40 = 58,758.15 : x
  2. Step 2: Convert to fraction form
    68,271.60/102,407.40 = 58,758.15/x
  3. Step 3: Cross multiply
    68,271.60x = 102,407.40 × 58,758.15
  4. Step 4: Simplify right side
    68,271.60x = 6,017,269,370.31
  5. Step 5: Solve for x
    x = 6,017,269,370.31/68,271.60
  6. Step 6: Final answer
    x = 88,137.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.