Home / 108,431.09-162,685.53-48,454.54

Finding the Fourth Proportional to 108,431.09, 162,685.53 and 48,454.54

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Solution

The fourth proportional to 108,431.09, 162,685.53 and 48,454.54 is: 72,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.09 : 162,685.53 = 48,454.54 : x
  2. Step 2: Convert to fraction form
    108,431.09/162,685.53 = 48,454.54/x
  3. Step 3: Cross multiply
    108,431.09x = 162,685.53 × 48,454.54
  4. Step 4: Simplify right side
    108,431.09x = 7,882,852,114.09
  5. Step 5: Solve for x
    x = 7,882,852,114.09/108,431.09
  6. Step 6: Final answer
    x = 72,699.19

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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.