Home / 103,628.88-155,426.85-37,056.60

Finding the Fourth Proportional to 103,628.88, 155,426.85 and 37,056.60

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Solution

The fourth proportional to 103,628.88, 155,426.85 and 37,056.60 is: 55,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.88 : 155,426.85 = 37,056.60 : x
  2. Step 2: Convert to fraction form
    103,628.88/155,426.85 = 37,056.60/x
  3. Step 3: Cross multiply
    103,628.88x = 155,426.85 × 37,056.60
  4. Step 4: Simplify right side
    103,628.88x = 5,759,590,609.71
  5. Step 5: Solve for x
    x = 5,759,590,609.71/103,628.88
  6. Step 6: Final answer
    x = 55,579.01

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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.