Home / 127,564.44-191,221.74-47,543.82

Finding the Fourth Proportional to 127,564.44, 191,221.74 and 47,543.82

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Solution

The fourth proportional to 127,564.44, 191,221.74 and 47,543.82 is: 71,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564.44 : 191,221.74 = 47,543.82 : x
  2. Step 2: Convert to fraction form
    127,564.44/191,221.74 = 47,543.82/x
  3. Step 3: Cross multiply
    127,564.44x = 191,221.74 × 47,543.82
  4. Step 4: Simplify right side
    127,564.44x = 9,091,411,986.65
  5. Step 5: Solve for x
    x = 9,091,411,986.65/127,564.44
  6. Step 6: Final answer
    x = 71,269.17

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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.