Home / 73,055.40-109,583.10-70,102.95

Finding the Fourth Proportional to 73,055.40, 109,583.10 and 70,102.95

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Solution

The fourth proportional to 73,055.40, 109,583.10 and 70,102.95 is: 105,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,055.40 : 109,583.10 = 70,102.95 : x
  2. Step 2: Convert to fraction form
    73,055.40/109,583.10 = 70,102.95/x
  3. Step 3: Cross multiply
    73,055.40x = 109,583.10 × 70,102.95
  4. Step 4: Simplify right side
    73,055.40x = 7,682,098,580.15
  5. Step 5: Solve for x
    x = 7,682,098,580.15/73,055.40
  6. Step 6: Final answer
    x = 105,154.43

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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.