Home / 69,230.04-104,061.82-45,688.86

Finding the Fourth Proportional to 69,230.04, 104,061.82 and 45,688.86

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Solution

The fourth proportional to 69,230.04, 104,061.82 and 45,688.86 is: 68,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,230.04 : 104,061.82 = 45,688.86 : x
  2. Step 2: Convert to fraction form
    69,230.04/104,061.82 = 45,688.86/x
  3. Step 3: Cross multiply
    69,230.04x = 104,061.82 × 45,688.86
  4. Step 4: Simplify right side
    69,230.04x = 4,754,465,925.33
  5. Step 5: Solve for x
    x = 4,754,465,925.33/69,230.04
  6. Step 6: Final answer
    x = 68,676.34

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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.