Home / 105,916.98-158,875.35-27,031.20

Finding the Fourth Proportional to 105,916.98, 158,875.35 and 27,031.20

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Solution

The fourth proportional to 105,916.98, 158,875.35 and 27,031.20 is: 40,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.98 : 158,875.35 = 27,031.20 : x
  2. Step 2: Convert to fraction form
    105,916.98/158,875.35 = 27,031.20/x
  3. Step 3: Cross multiply
    105,916.98x = 158,875.35 × 27,031.20
  4. Step 4: Simplify right side
    105,916.98x = 4,294,591,360.92
  5. Step 5: Solve for x
    x = 4,294,591,360.92/105,916.98
  6. Step 6: Final answer
    x = 40,546.77

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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.