Home / 117,127.10-161,633.44-63,411.68

Finding the Fourth Proportional to 117,127.10, 161,633.44 and 63,411.68

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Solution

The fourth proportional to 117,127.10, 161,633.44 and 63,411.68 is: 87,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,127.10 : 161,633.44 = 63,411.68 : x
  2. Step 2: Convert to fraction form
    117,127.10/161,633.44 = 63,411.68/x
  3. Step 3: Cross multiply
    117,127.10x = 161,633.44 × 63,411.68
  4. Step 4: Simplify right side
    117,127.10x = 10,249,447,974.58
  5. Step 5: Solve for x
    x = 10,249,447,974.58/117,127.10
  6. Step 6: Final answer
    x = 87,507.06

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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.