Home / 103,617.64-155,426.46-41,288.68

Finding the Fourth Proportional to 103,617.64, 155,426.46 and 41,288.68

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Solution

The fourth proportional to 103,617.64, 155,426.46 and 41,288.68 is: 61,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.64 : 155,426.46 = 41,288.68 : x
  2. Step 2: Convert to fraction form
    103,617.64/155,426.46 = 41,288.68/x
  3. Step 3: Cross multiply
    103,617.64x = 155,426.46 × 41,288.68
  4. Step 4: Simplify right side
    103,617.64x = 6,417,353,370.47
  5. Step 5: Solve for x
    x = 6,417,353,370.47/103,617.64
  6. Step 6: Final answer
    x = 61,933.02

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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.