Home / 103,690.23-155,405.94-44,457.16

Finding the Fourth Proportional to 103,690.23, 155,405.94 and 44,457.16

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Solution

The fourth proportional to 103,690.23, 155,405.94 and 44,457.16 is: 66,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.23 : 155,405.94 = 44,457.16 : x
  2. Step 2: Convert to fraction form
    103,690.23/155,405.94 = 44,457.16/x
  3. Step 3: Cross multiply
    103,690.23x = 155,405.94 × 44,457.16
  4. Step 4: Simplify right side
    103,690.23x = 6,908,906,739.53
  5. Step 5: Solve for x
    x = 6,908,906,739.53/103,690.23
  6. Step 6: Final answer
    x = 66,630.26

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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.