Home / 117,913.50-162,718.92-70,165.62

Finding the Fourth Proportional to 117,913.50, 162,718.92 and 70,165.62

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Solution

The fourth proportional to 117,913.50, 162,718.92 and 70,165.62 is: 96,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.50 : 162,718.92 = 70,165.62 : x
  2. Step 2: Convert to fraction form
    117,913.50/162,718.92 = 70,165.62/x
  3. Step 3: Cross multiply
    117,913.50x = 162,718.92 × 70,165.62
  4. Step 4: Simplify right side
    117,913.50x = 11,417,273,907.53
  5. Step 5: Solve for x
    x = 11,417,273,907.53/117,913.50
  6. Step 6: Final answer
    x = 96,827.54

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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.