Home / 117,535.42-162,176.07-69,803.74

Finding the Fourth Proportional to 117,535.42, 162,176.07 and 69,803.74

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Solution

The fourth proportional to 117,535.42, 162,176.07 and 69,803.74 is: 96,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,535.42 : 162,176.07 = 69,803.74 : x
  2. Step 2: Convert to fraction form
    117,535.42/162,176.07 = 69,803.74/x
  3. Step 3: Cross multiply
    117,535.42x = 162,176.07 × 69,803.74
  4. Step 4: Simplify right side
    117,535.42x = 11,320,496,224.50
  5. Step 5: Solve for x
    x = 11,320,496,224.50/117,535.42
  6. Step 6: Final answer
    x = 96,315.61

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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.