Home / 73,280.10-109,701.45-68,954.70

Finding the Fourth Proportional to 73,280.10, 109,701.45 and 68,954.70

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Solution

The fourth proportional to 73,280.10, 109,701.45 and 68,954.70 is: 103,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,280.10 : 109,701.45 = 68,954.70 : x
  2. Step 2: Convert to fraction form
    73,280.10/109,701.45 = 68,954.70/x
  3. Step 3: Cross multiply
    73,280.10x = 109,701.45 × 68,954.70
  4. Step 4: Simplify right side
    73,280.10x = 7,564,430,574.32
  5. Step 5: Solve for x
    x = 7,564,430,574.32/73,280.10
  6. Step 6: Final answer
    x = 103,226.26

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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.