Home / 82,656.97-114,130.98-63,506.36

Finding the Fourth Proportional to 82,656.97, 114,130.98 and 63,506.36

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Solution

The fourth proportional to 82,656.97, 114,130.98 and 63,506.36 is: 87,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,656.97 : 114,130.98 = 63,506.36 : x
  2. Step 2: Convert to fraction form
    82,656.97/114,130.98 = 63,506.36/x
  3. Step 3: Cross multiply
    82,656.97x = 114,130.98 × 63,506.36
  4. Step 4: Simplify right side
    82,656.97x = 7,248,043,388.36
  5. Step 5: Solve for x
    x = 7,248,043,388.36/82,656.97
  6. Step 6: Final answer
    x = 87,688.23

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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.