Home / 117,741.20-162,485.93-64,029.35

Finding the Fourth Proportional to 117,741.20, 162,485.93 and 64,029.35

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Solution

The fourth proportional to 117,741.20, 162,485.93 and 64,029.35 is: 88,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.20 : 162,485.93 = 64,029.35 : x
  2. Step 2: Convert to fraction form
    117,741.20/162,485.93 = 64,029.35/x
  3. Step 3: Cross multiply
    117,741.20x = 162,485.93 × 64,029.35
  4. Step 4: Simplify right side
    117,741.20x = 10,403,868,161.90
  5. Step 5: Solve for x
    x = 10,403,868,161.90/117,741.20
  6. Step 6: Final answer
    x = 88,362.17

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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.