Home / 103,698.18-155,550.24-28,823.81

Finding the Fourth Proportional to 103,698.18, 155,550.24 and 28,823.81

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Solution

The fourth proportional to 103,698.18, 155,550.24 and 28,823.81 is: 43,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.18 : 155,550.24 = 28,823.81 : x
  2. Step 2: Convert to fraction form
    103,698.18/155,550.24 = 28,823.81/x
  3. Step 3: Cross multiply
    103,698.18x = 155,550.24 × 28,823.81
  4. Step 4: Simplify right side
    103,698.18x = 4,483,549,785.46
  5. Step 5: Solve for x
    x = 4,483,549,785.46/103,698.18
  6. Step 6: Final answer
    x = 43,236.53

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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.