Home / 106,814.42-147,418.58-61,491.41

Finding the Fourth Proportional to 106,814.42, 147,418.58 and 61,491.41

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Solution

The fourth proportional to 106,814.42, 147,418.58 and 61,491.41 is: 84,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,814.42 : 147,418.58 = 61,491.41 : x
  2. Step 2: Convert to fraction form
    106,814.42/147,418.58 = 61,491.41/x
  3. Step 3: Cross multiply
    106,814.42x = 147,418.58 × 61,491.41
  4. Step 4: Simplify right side
    106,814.42x = 9,064,976,344.40
  5. Step 5: Solve for x
    x = 9,064,976,344.40/106,814.42
  6. Step 6: Final answer
    x = 84,866.60

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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.