Home / 74,907.58-111,529.40-73,861.33

Finding the Fourth Proportional to 74,907.58, 111,529.40 and 73,861.33

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Solution

The fourth proportional to 74,907.58, 111,529.40 and 73,861.33 is: 109,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907.58 : 111,529.40 = 73,861.33 : x
  2. Step 2: Convert to fraction form
    74,907.58/111,529.40 = 73,861.33/x
  3. Step 3: Cross multiply
    74,907.58x = 111,529.40 × 73,861.33
  4. Step 4: Simplify right side
    74,907.58x = 8,237,709,818.10
  5. Step 5: Solve for x
    x = 8,237,709,818.10/74,907.58
  6. Step 6: Final answer
    x = 109,971.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.