Home / 127,961.46-176,587.05-71,376.48

Finding the Fourth Proportional to 127,961.46, 176,587.05 and 71,376.48

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Solution

The fourth proportional to 127,961.46, 176,587.05 and 71,376.48 is: 98,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,961.46 : 176,587.05 = 71,376.48 : x
  2. Step 2: Convert to fraction form
    127,961.46/176,587.05 = 71,376.48/x
  3. Step 3: Cross multiply
    127,961.46x = 176,587.05 × 71,376.48
  4. Step 4: Simplify right side
    127,961.46x = 12,604,162,042.58
  5. Step 5: Solve for x
    x = 12,604,162,042.58/127,961.46
  6. Step 6: Final answer
    x = 98,499.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.