Home / 105,013.06-157,426.54-40,956.44

Finding the Fourth Proportional to 105,013.06, 157,426.54 and 40,956.44

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Solution

The fourth proportional to 105,013.06, 157,426.54 and 40,956.44 is: 61,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,013.06 : 157,426.54 = 40,956.44 : x
  2. Step 2: Convert to fraction form
    105,013.06/157,426.54 = 40,956.44/x
  3. Step 3: Cross multiply
    105,013.06x = 157,426.54 × 40,956.44
  4. Step 4: Simplify right side
    105,013.06x = 6,447,629,750.39
  5. Step 5: Solve for x
    x = 6,447,629,750.39/105,013.06
  6. Step 6: Final answer
    x = 61,398.36

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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.