Home / 74,455.53-102,665.24-69,731.61

Finding the Fourth Proportional to 74,455.53, 102,665.24 and 69,731.61

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Solution

The fourth proportional to 74,455.53, 102,665.24 and 69,731.61 is: 96,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,455.53 : 102,665.24 = 69,731.61 : x
  2. Step 2: Convert to fraction form
    74,455.53/102,665.24 = 69,731.61/x
  3. Step 3: Cross multiply
    74,455.53x = 102,665.24 × 69,731.61
  4. Step 4: Simplify right side
    74,455.53x = 7,159,012,127.58
  5. Step 5: Solve for x
    x = 7,159,012,127.58/74,455.53
  6. Step 6: Final answer
    x = 96,151.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.