Home / 69,457.20-104,145.57-61,153.89

Finding the Fourth Proportional to 69,457.20, 104,145.57 and 61,153.89

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Solution

The fourth proportional to 69,457.20, 104,145.57 and 61,153.89 is: 91,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,457.20 : 104,145.57 = 61,153.89 : x
  2. Step 2: Convert to fraction form
    69,457.20/104,145.57 = 61,153.89/x
  3. Step 3: Cross multiply
    69,457.20x = 104,145.57 × 61,153.89
  4. Step 4: Simplify right side
    69,457.20x = 6,368,906,731.77
  5. Step 5: Solve for x
    x = 6,368,906,731.77/69,457.20
  6. Step 6: Final answer
    x = 91,695.41

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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.