Home / 117,927.65-162,739.46-64,212.53

Finding the Fourth Proportional to 117,927.65, 162,739.46 and 64,212.53

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Solution

The fourth proportional to 117,927.65, 162,739.46 and 64,212.53 is: 88,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,927.65 : 162,739.46 = 64,212.53 : x
  2. Step 2: Convert to fraction form
    117,927.65/162,739.46 = 64,212.53/x
  3. Step 3: Cross multiply
    117,927.65x = 162,739.46 × 64,212.53
  4. Step 4: Simplify right side
    117,927.65x = 10,449,913,177.38
  5. Step 5: Solve for x
    x = 10,449,913,177.38/117,927.65
  6. Step 6: Final answer
    x = 88,612.92

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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.