Home / 74,756.74-103,609.57-73,357.06

Finding the Fourth Proportional to 74,756.74, 103,609.57 and 73,357.06

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Solution

The fourth proportional to 74,756.74, 103,609.57 and 73,357.06 is: 101,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,756.74 : 103,609.57 = 73,357.06 : x
  2. Step 2: Convert to fraction form
    74,756.74/103,609.57 = 73,357.06/x
  3. Step 3: Cross multiply
    74,756.74x = 103,609.57 × 73,357.06
  4. Step 4: Simplify right side
    74,756.74x = 7,600,493,443.06
  5. Step 5: Solve for x
    x = 7,600,493,443.06/74,756.74
  6. Step 6: Final answer
    x = 101,669.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.