Home / 105,914.68-158,927.40-42,750.52

Finding the Fourth Proportional to 105,914.68, 158,927.40 and 42,750.52

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Solution

The fourth proportional to 105,914.68, 158,927.40 and 42,750.52 is: 64,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914.68 : 158,927.40 = 42,750.52 : x
  2. Step 2: Convert to fraction form
    105,914.68/158,927.40 = 42,750.52/x
  3. Step 3: Cross multiply
    105,914.68x = 158,927.40 × 42,750.52
  4. Step 4: Simplify right side
    105,914.68x = 6,794,228,992.25
  5. Step 5: Solve for x
    x = 6,794,228,992.25/105,914.68
  6. Step 6: Final answer
    x = 64,148.13

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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.