Home / 70,835.11-106,280.91-69,715.49

Finding the Fourth Proportional to 70,835.11, 106,280.91 and 69,715.49

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Solution

The fourth proportional to 70,835.11, 106,280.91 and 69,715.49 is: 104,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.11 : 106,280.91 = 69,715.49 : x
  2. Step 2: Convert to fraction form
    70,835.11/106,280.91 = 69,715.49/x
  3. Step 3: Cross multiply
    70,835.11x = 106,280.91 × 69,715.49
  4. Step 4: Simplify right side
    70,835.11x = 7,409,425,186.89
  5. Step 5: Solve for x
    x = 7,409,425,186.89/70,835.11
  6. Step 6: Final answer
    x = 104,601.03

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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.