Home / 107,450.40-161,120.25-48,235.32

Finding the Fourth Proportional to 107,450.40, 161,120.25 and 48,235.32

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Solution

The fourth proportional to 107,450.40, 161,120.25 and 48,235.32 is: 72,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,450.40 : 161,120.25 = 48,235.32 : x
  2. Step 2: Convert to fraction form
    107,450.40/161,120.25 = 48,235.32/x
  3. Step 3: Cross multiply
    107,450.40x = 161,120.25 × 48,235.32
  4. Step 4: Simplify right side
    107,450.40x = 7,771,686,817.23
  5. Step 5: Solve for x
    x = 7,771,686,817.23/107,450.40
  6. Step 6: Final answer
    x = 72,328.13

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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.