Home / 127,800.54-191,735.32-39,051.62

Finding the Fourth Proportional to 127,800.54, 191,735.32 and 39,051.62

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Solution

The fourth proportional to 127,800.54, 191,735.32 and 39,051.62 is: 58,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,800.54 : 191,735.32 = 39,051.62 : x
  2. Step 2: Convert to fraction form
    127,800.54/191,735.32 = 39,051.62/x
  3. Step 3: Cross multiply
    127,800.54x = 191,735.32 × 39,051.62
  4. Step 4: Simplify right side
    127,800.54x = 7,487,574,857.22
  5. Step 5: Solve for x
    x = 7,487,574,857.22/127,800.54
  6. Step 6: Final answer
    x = 58,587.98

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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.