Home / 117,125.55-161,633.21-63,410.54

Finding the Fourth Proportional to 117,125.55, 161,633.21 and 63,410.54

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Solution

The fourth proportional to 117,125.55, 161,633.21 and 63,410.54 is: 87,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,125.55 : 161,633.21 = 63,410.54 : x
  2. Step 2: Convert to fraction form
    117,125.55/161,633.21 = 63,410.54/x
  3. Step 3: Cross multiply
    117,125.55x = 161,633.21 × 63,410.54
  4. Step 4: Simplify right side
    117,125.55x = 10,249,248,002.81
  5. Step 5: Solve for x
    x = 10,249,248,002.81/117,125.55
  6. Step 6: Final answer
    x = 87,506.51

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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.