Home / 112,967.06-155,898.70-68,246.42

Finding the Fourth Proportional to 112,967.06, 155,898.70 and 68,246.42

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Solution

The fourth proportional to 112,967.06, 155,898.70 and 68,246.42 is: 94,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,967.06 : 155,898.70 = 68,246.42 : x
  2. Step 2: Convert to fraction form
    112,967.06/155,898.70 = 68,246.42/x
  3. Step 3: Cross multiply
    112,967.06x = 155,898.70 × 68,246.42
  4. Step 4: Simplify right side
    112,967.06x = 10,639,528,157.65
  5. Step 5: Solve for x
    x = 10,639,528,157.65/112,967.06
  6. Step 6: Final answer
    x = 94,182.57

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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.