Home / 69,002.13-103,476.91-45,303.33

Finding the Fourth Proportional to 69,002.13, 103,476.91 and 45,303.33

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Solution

The fourth proportional to 69,002.13, 103,476.91 and 45,303.33 is: 67,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,002.13 : 103,476.91 = 45,303.33 : x
  2. Step 2: Convert to fraction form
    69,002.13/103,476.91 = 45,303.33/x
  3. Step 3: Cross multiply
    69,002.13x = 103,476.91 × 45,303.33
  4. Step 4: Simplify right side
    69,002.13x = 4,687,848,601.11
  5. Step 5: Solve for x
    x = 4,687,848,601.11/69,002.13
  6. Step 6: Final answer
    x = 67,937.74

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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.