Home / 69,003.13-103,478.41-45,304.33

Finding the Fourth Proportional to 69,003.13, 103,478.41 and 45,304.33

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Solution

The fourth proportional to 69,003.13, 103,478.41 and 45,304.33 is: 67,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,003.13 : 103,478.41 = 45,304.33 : x
  2. Step 2: Convert to fraction form
    69,003.13/103,478.41 = 45,304.33/x
  3. Step 3: Cross multiply
    69,003.13x = 103,478.41 × 45,304.33
  4. Step 4: Simplify right side
    69,003.13x = 4,688,020,034.52
  5. Step 5: Solve for x
    x = 4,688,020,034.52/69,003.13
  6. Step 6: Final answer
    x = 67,939.24

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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.