Home / 117,050.31-161,528.90-63,336.27

Finding the Fourth Proportional to 117,050.31, 161,528.90 and 63,336.27

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Solution

The fourth proportional to 117,050.31, 161,528.90 and 63,336.27 is: 87,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,050.31 : 161,528.90 = 63,336.27 : x
  2. Step 2: Convert to fraction form
    117,050.31/161,528.90 = 63,336.27/x
  3. Step 3: Cross multiply
    117,050.31x = 161,528.90 × 63,336.27
  4. Step 4: Simplify right side
    117,050.31x = 10,230,638,023.20
  5. Step 5: Solve for x
    x = 10,230,638,023.20/117,050.31
  6. Step 6: Final answer
    x = 87,403.77

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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.