Home / 98,031.41-135,284.73-57,194.35

Finding the Fourth Proportional to 98,031.41, 135,284.73 and 57,194.35

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Solution

The fourth proportional to 98,031.41, 135,284.73 and 57,194.35 is: 78,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,031.41 : 135,284.73 = 57,194.35 : x
  2. Step 2: Convert to fraction form
    98,031.41/135,284.73 = 57,194.35/x
  3. Step 3: Cross multiply
    98,031.41x = 135,284.73 × 57,194.35
  4. Step 4: Simplify right side
    98,031.41x = 7,737,522,727.28
  5. Step 5: Solve for x
    x = 7,737,522,727.28/98,031.41
  6. Step 6: Final answer
    x = 78,929.01

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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.