Home / 103,685.03-155,534.60-35,268.72

Finding the Fourth Proportional to 103,685.03, 155,534.60 and 35,268.72

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Solution

The fourth proportional to 103,685.03, 155,534.60 and 35,268.72 is: 52,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685.03 : 155,534.60 = 35,268.72 : x
  2. Step 2: Convert to fraction form
    103,685.03/155,534.60 = 35,268.72/x
  3. Step 3: Cross multiply
    103,685.03x = 155,534.60 × 35,268.72
  4. Step 4: Simplify right side
    103,685.03x = 5,485,506,257.71
  5. Step 5: Solve for x
    x = 5,485,506,257.71/103,685.03
  6. Step 6: Final answer
    x = 52,905.48

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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.