Home / 105,756.89-158,423.79-63,613.72

Finding the Fourth Proportional to 105,756.89, 158,423.79 and 63,613.72

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Solution

The fourth proportional to 105,756.89, 158,423.79 and 63,613.72 is: 95,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,756.89 : 158,423.79 = 63,613.72 : x
  2. Step 2: Convert to fraction form
    105,756.89/158,423.79 = 63,613.72/x
  3. Step 3: Cross multiply
    105,756.89x = 158,423.79 × 63,613.72
  4. Step 4: Simplify right side
    105,756.89x = 10,077,925,826.28
  5. Step 5: Solve for x
    x = 10,077,925,826.28/105,756.89
  6. Step 6: Final answer
    x = 95,293.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.