Home / 114,790.24-172,172.40-39,897.76

Finding the Fourth Proportional to 114,790.24, 172,172.40 and 39,897.76

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Solution

The fourth proportional to 114,790.24, 172,172.40 and 39,897.76 is: 59,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,790.24 : 172,172.40 = 39,897.76 : x
  2. Step 2: Convert to fraction form
    114,790.24/172,172.40 = 39,897.76/x
  3. Step 3: Cross multiply
    114,790.24x = 172,172.40 × 39,897.76
  4. Step 4: Simplify right side
    114,790.24x = 6,869,293,093.82
  5. Step 5: Solve for x
    x = 6,869,293,093.82/114,790.24
  6. Step 6: Final answer
    x = 59,842.14

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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.