Home / 117,741.79-162,485.76-64,026.64

Finding the Fourth Proportional to 117,741.79, 162,485.76 and 64,026.64

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Solution

The fourth proportional to 117,741.79, 162,485.76 and 64,026.64 is: 88,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.79 : 162,485.76 = 64,026.64 : x
  2. Step 2: Convert to fraction form
    117,741.79/162,485.76 = 64,026.64/x
  3. Step 3: Cross multiply
    117,741.79x = 162,485.76 × 64,026.64
  4. Step 4: Simplify right side
    117,741.79x = 10,403,417,260.65
  5. Step 5: Solve for x
    x = 10,403,417,260.65/117,741.79
  6. Step 6: Final answer
    x = 88,357.90

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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.