Home / 67,523.81-101,285.75-17,603.78

Finding the Fourth Proportional to 67,523.81, 101,285.75 and 17,603.78

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Solution

The fourth proportional to 67,523.81, 101,285.75 and 17,603.78 is: 26,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,523.81 : 101,285.75 = 17,603.78 : x
  2. Step 2: Convert to fraction form
    67,523.81/101,285.75 = 17,603.78/x
  3. Step 3: Cross multiply
    67,523.81x = 101,285.75 × 17,603.78
  4. Step 4: Simplify right side
    67,523.81x = 1,783,011,597.72
  5. Step 5: Solve for x
    x = 1,783,011,597.72/67,523.81
  6. Step 6: Final answer
    x = 26,405.67

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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.