Home / 103,837.93-155,754.65-28,956.08

Finding the Fourth Proportional to 103,837.93, 155,754.65 and 28,956.08

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Solution

The fourth proportional to 103,837.93, 155,754.65 and 28,956.08 is: 43,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.93 : 155,754.65 = 28,956.08 : x
  2. Step 2: Convert to fraction form
    103,837.93/155,754.65 = 28,956.08/x
  3. Step 3: Cross multiply
    103,837.93x = 155,754.65 × 28,956.08
  4. Step 4: Simplify right side
    103,837.93x = 4,510,043,327.00
  5. Step 5: Solve for x
    x = 4,510,043,327.00/103,837.93
  6. Step 6: Final answer
    x = 43,433.49

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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.