Home / 108,621.80-162,896.16-48,612.68

Finding the Fourth Proportional to 108,621.80, 162,896.16 and 48,612.68

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Solution

The fourth proportional to 108,621.80, 162,896.16 and 48,612.68 is: 72,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621.80 : 162,896.16 = 48,612.68 : x
  2. Step 2: Convert to fraction form
    108,621.80/162,896.16 = 48,612.68/x
  3. Step 3: Cross multiply
    108,621.80x = 162,896.16 × 48,612.68
  4. Step 4: Simplify right side
    108,621.80x = 7,918,818,899.31
  5. Step 5: Solve for x
    x = 7,918,818,899.31/108,621.80
  6. Step 6: Final answer
    x = 72,902.67

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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.