Home / 103,492.64-155,276.40-50,939.03

Finding the Fourth Proportional to 103,492.64, 155,276.40 and 50,939.03

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Solution

The fourth proportional to 103,492.64, 155,276.40 and 50,939.03 is: 76,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,492.64 : 155,276.40 = 50,939.03 : x
  2. Step 2: Convert to fraction form
    103,492.64/155,276.40 = 50,939.03/x
  3. Step 3: Cross multiply
    103,492.64x = 155,276.40 × 50,939.03
  4. Step 4: Simplify right side
    103,492.64x = 7,909,629,197.89
  5. Step 5: Solve for x
    x = 7,909,629,197.89/103,492.64
  6. Step 6: Final answer
    x = 76,426.97

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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.