Home / 98,440.94-135,802.35-58,127.24

Finding the Fourth Proportional to 98,440.94, 135,802.35 and 58,127.24

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Solution

The fourth proportional to 98,440.94, 135,802.35 and 58,127.24 is: 80,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,440.94 : 135,802.35 = 58,127.24 : x
  2. Step 2: Convert to fraction form
    98,440.94/135,802.35 = 58,127.24/x
  3. Step 3: Cross multiply
    98,440.94x = 135,802.35 × 58,127.24
  4. Step 4: Simplify right side
    98,440.94x = 7,893,815,112.00
  5. Step 5: Solve for x
    x = 7,893,815,112.00/98,440.94
  6. Step 6: Final answer
    x = 80,188.34

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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.