Home / 70,181.10-105,304.85-36,429.18

Finding the Fourth Proportional to 70,181.10, 105,304.85 and 36,429.18

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Solution

The fourth proportional to 70,181.10, 105,304.85 and 36,429.18 is: 54,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,181.10 : 105,304.85 = 36,429.18 : x
  2. Step 2: Convert to fraction form
    70,181.10/105,304.85 = 36,429.18/x
  3. Step 3: Cross multiply
    70,181.10x = 105,304.85 × 36,429.18
  4. Step 4: Simplify right side
    70,181.10x = 3,836,169,153.38
  5. Step 5: Solve for x
    x = 3,836,169,153.38/70,181.10
  6. Step 6: Final answer
    x = 54,661.00

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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.