Home / 105,917.63-158,876.30-27,031.86

Finding the Fourth Proportional to 105,917.63, 158,876.30 and 27,031.86

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Solution

The fourth proportional to 105,917.63, 158,876.30 and 27,031.86 is: 40,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,917.63 : 158,876.30 = 27,031.86 : x
  2. Step 2: Convert to fraction form
    105,917.63/158,876.30 = 27,031.86/x
  3. Step 3: Cross multiply
    105,917.63x = 158,876.30 × 27,031.86
  4. Step 4: Simplify right side
    105,917.63x = 4,294,721,966.50
  5. Step 5: Solve for x
    x = 4,294,721,966.50/105,917.63
  6. Step 6: Final answer
    x = 40,547.76

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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.