Home / 117,529.40-162,189.60-63,813.32

Finding the Fourth Proportional to 117,529.40, 162,189.60 and 63,813.32

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Solution

The fourth proportional to 117,529.40, 162,189.60 and 63,813.32 is: 88,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,529.40 : 162,189.60 = 63,813.32 : x
  2. Step 2: Convert to fraction form
    117,529.40/162,189.60 = 63,813.32/x
  3. Step 3: Cross multiply
    117,529.40x = 162,189.60 × 63,813.32
  4. Step 4: Simplify right side
    117,529.40x = 10,349,856,845.47
  5. Step 5: Solve for x
    x = 10,349,856,845.47/117,529.40
  6. Step 6: Final answer
    x = 88,061.85

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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.