Home / 68,534.20-102,647.70-40,886.20

Finding the Fourth Proportional to 68,534.20, 102,647.70 and 40,886.20

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Solution

The fourth proportional to 68,534.20, 102,647.70 and 40,886.20 is: 61,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,534.20 : 102,647.70 = 40,886.20 : x
  2. Step 2: Convert to fraction form
    68,534.20/102,647.70 = 40,886.20/x
  3. Step 3: Cross multiply
    68,534.20x = 102,647.70 × 40,886.20
  4. Step 4: Simplify right side
    68,534.20x = 4,196,874,391.74
  5. Step 5: Solve for x
    x = 4,196,874,391.74/68,534.20
  6. Step 6: Final answer
    x = 61,237.67

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1.5x scale

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.