Home / 40,703.84-61,044.48-11,122.82

Finding the Fourth Proportional to 40,703.84, 61,044.48 and 11,122.82

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Solution

The fourth proportional to 40,703.84, 61,044.48 and 11,122.82 is: 16,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,703.84 : 61,044.48 = 11,122.82 : x
  2. Step 2: Convert to fraction form
    40,703.84/61,044.48 = 11,122.82/x
  3. Step 3: Cross multiply
    40,703.84x = 61,044.48 × 11,122.82
  4. Step 4: Simplify right side
    40,703.84x = 678,986,763.03
  5. Step 5: Solve for x
    x = 678,986,763.03/40,703.84
  6. Step 6: Final answer
    x = 16,681.15

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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.