Home / 127,387.49-191,059.91-38,619.77

Finding the Fourth Proportional to 127,387.49, 191,059.91 and 38,619.77

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Solution

The fourth proportional to 127,387.49, 191,059.91 and 38,619.77 is: 57,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,387.49 : 191,059.91 = 38,619.77 : x
  2. Step 2: Convert to fraction form
    127,387.49/191,059.91 = 38,619.77/x
  3. Step 3: Cross multiply
    127,387.49x = 191,059.91 × 38,619.77
  4. Step 4: Simplify right side
    127,387.49x = 7,378,689,587.32
  5. Step 5: Solve for x
    x = 7,378,689,587.32/127,387.49
  6. Step 6: Final answer
    x = 57,923.19

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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.