Home / 74,259.74-111,228.26-45,709.67

Finding the Fourth Proportional to 74,259.74, 111,228.26 and 45,709.67

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Solution

The fourth proportional to 74,259.74, 111,228.26 and 45,709.67 is: 68,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,259.74 : 111,228.26 = 45,709.67 : x
  2. Step 2: Convert to fraction form
    74,259.74/111,228.26 = 45,709.67/x
  3. Step 3: Cross multiply
    74,259.74x = 111,228.26 × 45,709.67
  4. Step 4: Simplify right side
    74,259.74x = 5,084,207,002.14
  5. Step 5: Solve for x
    x = 5,084,207,002.14/74,259.74
  6. Step 6: Final answer
    x = 68,465.19

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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.