Home / 117,595.36-162,282.75-63,880.81

Finding the Fourth Proportional to 117,595.36, 162,282.75 and 63,880.81

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Solution

The fourth proportional to 117,595.36, 162,282.75 and 63,880.81 is: 88,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,595.36 : 162,282.75 = 63,880.81 : x
  2. Step 2: Convert to fraction form
    117,595.36/162,282.75 = 63,880.81/x
  3. Step 3: Cross multiply
    117,595.36x = 162,282.75 × 63,880.81
  4. Step 4: Simplify right side
    117,595.36x = 10,366,753,519.03
  5. Step 5: Solve for x
    x = 10,366,753,519.03/117,595.36
  6. Step 6: Final answer
    x = 88,156.14

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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.