Home / 114,765.84-172,045.08-40,876.56

Finding the Fourth Proportional to 114,765.84, 172,045.08 and 40,876.56

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Solution

The fourth proportional to 114,765.84, 172,045.08 and 40,876.56 is: 61,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,765.84 : 172,045.08 = 40,876.56 : x
  2. Step 2: Convert to fraction form
    114,765.84/172,045.08 = 40,876.56/x
  3. Step 3: Cross multiply
    114,765.84x = 172,045.08 × 40,876.56
  4. Step 4: Simplify right side
    114,765.84x = 7,032,611,035.32
  5. Step 5: Solve for x
    x = 7,032,611,035.32/114,765.84
  6. Step 6: Final answer
    x = 61,277.91

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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.