Home / 69,740.16-104,551.29-30,267.60

Finding the Fourth Proportional to 69,740.16, 104,551.29 and 30,267.60

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Solution

The fourth proportional to 69,740.16, 104,551.29 and 30,267.60 is: 45,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.16 : 104,551.29 = 30,267.60 : x
  2. Step 2: Convert to fraction form
    69,740.16/104,551.29 = 30,267.60/x
  3. Step 3: Cross multiply
    69,740.16x = 104,551.29 × 30,267.60
  4. Step 4: Simplify right side
    69,740.16x = 3,164,516,625.20
  5. Step 5: Solve for x
    x = 3,164,516,625.20/69,740.16
  6. Step 6: Final answer
    x = 45,375.82

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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.