Home / 70,835.10-106,252.65-54,246.30

Finding the Fourth Proportional to 70,835.10, 106,252.65 and 54,246.30

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Solution

The fourth proportional to 70,835.10, 106,252.65 and 54,246.30 is: 81,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.10 : 106,252.65 = 54,246.30 : x
  2. Step 2: Convert to fraction form
    70,835.10/106,252.65 = 54,246.30/x
  3. Step 3: Cross multiply
    70,835.10x = 106,252.65 × 54,246.30
  4. Step 4: Simplify right side
    70,835.10x = 5,763,813,127.70
  5. Step 5: Solve for x
    x = 5,763,813,127.70/70,835.10
  6. Step 6: Final answer
    x = 81,369.45

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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.