Home / 40,756.12-61,130.09-11,176.93

Finding the Fourth Proportional to 40,756.12, 61,130.09 and 11,176.93

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Solution

The fourth proportional to 40,756.12, 61,130.09 and 11,176.93 is: 16,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,756.12 : 61,130.09 = 11,176.93 : x
  2. Step 2: Convert to fraction form
    40,756.12/61,130.09 = 11,176.93/x
  3. Step 3: Cross multiply
    40,756.12x = 61,130.09 × 11,176.93
  4. Step 4: Simplify right side
    40,756.12x = 683,246,680.94
  5. Step 5: Solve for x
    x = 683,246,680.94/40,756.12
  6. Step 6: Final answer
    x = 16,764.27

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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.