Home / 114,725.81-172,049.90-43,631.55

Finding the Fourth Proportional to 114,725.81, 172,049.90 and 43,631.55

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Solution

The fourth proportional to 114,725.81, 172,049.90 and 43,631.55 is: 65,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,725.81 : 172,049.90 = 43,631.55 : x
  2. Step 2: Convert to fraction form
    114,725.81/172,049.90 = 43,631.55/x
  3. Step 3: Cross multiply
    114,725.81x = 172,049.90 × 43,631.55
  4. Step 4: Simplify right side
    114,725.81x = 7,506,803,596.19
  5. Step 5: Solve for x
    x = 7,506,803,596.19/114,725.81
  6. Step 6: Final answer
    x = 65,432.56

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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.