Home / 117,681.13-162,395.98-67,370.41

Finding the Fourth Proportional to 117,681.13, 162,395.98 and 67,370.41

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Solution

The fourth proportional to 117,681.13, 162,395.98 and 67,370.41 is: 92,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,681.13 : 162,395.98 = 67,370.41 : x
  2. Step 2: Convert to fraction form
    117,681.13/162,395.98 = 67,370.41/x
  3. Step 3: Cross multiply
    117,681.13x = 162,395.98 × 67,370.41
  4. Step 4: Simplify right side
    117,681.13x = 10,940,683,754.95
  5. Step 5: Solve for x
    x = 10,940,683,754.95/117,681.13
  6. Step 6: Final answer
    x = 92,968.89

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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.