Home / 127,658.54-176,169.04-71,071.94

Finding the Fourth Proportional to 127,658.54, 176,169.04 and 71,071.94

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Solution

The fourth proportional to 127,658.54, 176,169.04 and 71,071.94 is: 98,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,658.54 : 176,169.04 = 71,071.94 : x
  2. Step 2: Convert to fraction form
    127,658.54/176,169.04 = 71,071.94/x
  3. Step 3: Cross multiply
    127,658.54x = 176,169.04 × 71,071.94
  4. Step 4: Simplify right side
    127,658.54x = 12,520,674,382.21
  5. Step 5: Solve for x
    x = 12,520,674,382.21/127,658.54
  6. Step 6: Final answer
    x = 98,079.41

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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.