Home / 117,776.64-162,536.07-67,485.36

Finding the Fourth Proportional to 117,776.64, 162,536.07 and 67,485.36

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Solution

The fourth proportional to 117,776.64, 162,536.07 and 67,485.36 is: 93,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,776.64 : 162,536.07 = 67,485.36 : x
  2. Step 2: Convert to fraction form
    117,776.64/162,536.07 = 67,485.36/x
  3. Step 3: Cross multiply
    117,776.64x = 162,536.07 × 67,485.36
  4. Step 4: Simplify right side
    117,776.64x = 10,968,805,196.94
  5. Step 5: Solve for x
    x = 10,968,805,196.94/117,776.64
  6. Step 6: Final answer
    x = 93,132.26

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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.