Home / 105,031.44-157,578.30-48,904.62

Finding the Fourth Proportional to 105,031.44, 157,578.30 and 48,904.62

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Solution

The fourth proportional to 105,031.44, 157,578.30 and 48,904.62 is: 73,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,031.44 : 157,578.30 = 48,904.62 : x
  2. Step 2: Convert to fraction form
    105,031.44/157,578.30 = 48,904.62/x
  3. Step 3: Cross multiply
    105,031.44x = 157,578.30 × 48,904.62
  4. Step 4: Simplify right side
    105,031.44x = 7,706,306,881.75
  5. Step 5: Solve for x
    x = 7,706,306,881.75/105,031.44
  6. Step 6: Final answer
    x = 73,371.43

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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.