Home / 73,913.23-102,000.70-40,379.23

Finding the Fourth Proportional to 73,913.23, 102,000.70 and 40,379.23

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Solution

The fourth proportional to 73,913.23, 102,000.70 and 40,379.23 is: 55,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.23 : 102,000.70 = 40,379.23 : x
  2. Step 2: Convert to fraction form
    73,913.23/102,000.70 = 40,379.23/x
  3. Step 3: Cross multiply
    73,913.23x = 102,000.70 × 40,379.23
  4. Step 4: Simplify right side
    73,913.23x = 4,118,709,725.46
  5. Step 5: Solve for x
    x = 4,118,709,725.46/73,913.23
  6. Step 6: Final answer
    x = 55,723.58

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1.5x scale

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.