Home / 105,681.06-158,519.28-25,719.39

Finding the Fourth Proportional to 105,681.06, 158,519.28 and 25,719.39

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Solution

The fourth proportional to 105,681.06, 158,519.28 and 25,719.39 is: 38,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,681.06 : 158,519.28 = 25,719.39 : x
  2. Step 2: Convert to fraction form
    105,681.06/158,519.28 = 25,719.39/x
  3. Step 3: Cross multiply
    105,681.06x = 158,519.28 × 25,719.39
  4. Step 4: Simplify right side
    105,681.06x = 4,077,019,184.84
  5. Step 5: Solve for x
    x = 4,077,019,184.84/105,681.06
  6. Step 6: Final answer
    x = 38,578.52

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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.