Home / 68,205.10-102,526.35-48,619.30

Finding the Fourth Proportional to 68,205.10, 102,526.35 and 48,619.30

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Solution

The fourth proportional to 68,205.10, 102,526.35 and 48,619.30 is: 73,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,205.10 : 102,526.35 = 48,619.30 : x
  2. Step 2: Convert to fraction form
    68,205.10/102,526.35 = 48,619.30/x
  3. Step 3: Cross multiply
    68,205.10x = 102,526.35 × 48,619.30
  4. Step 4: Simplify right side
    68,205.10x = 4,984,759,368.56
  5. Step 5: Solve for x
    x = 4,984,759,368.56/68,205.10
  6. Step 6: Final answer
    x = 73,084.85

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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.