Home / 117,051.81-161,530.97-63,337.77

Finding the Fourth Proportional to 117,051.81, 161,530.97 and 63,337.77

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Solution

The fourth proportional to 117,051.81, 161,530.97 and 63,337.77 is: 87,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,051.81 : 161,530.97 = 63,337.77 : x
  2. Step 2: Convert to fraction form
    117,051.81/161,530.97 = 63,337.77/x
  3. Step 3: Cross multiply
    117,051.81x = 161,530.97 × 63,337.77
  4. Step 4: Simplify right side
    117,051.81x = 10,231,011,425.74
  5. Step 5: Solve for x
    x = 10,231,011,425.74/117,051.81
  6. Step 6: Final answer
    x = 87,405.84

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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.