Home / 98,260.17-135,604.58-74,345.33

Finding the Fourth Proportional to 98,260.17, 135,604.58 and 74,345.33

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Solution

The fourth proportional to 98,260.17, 135,604.58 and 74,345.33 is: 102,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,260.17 : 135,604.58 = 74,345.33 : x
  2. Step 2: Convert to fraction form
    98,260.17/135,604.58 = 74,345.33/x
  3. Step 3: Cross multiply
    98,260.17x = 135,604.58 × 74,345.33
  4. Step 4: Simplify right side
    98,260.17x = 10,081,566,199.86
  5. Step 5: Solve for x
    x = 10,081,566,199.86/98,260.17
  6. Step 6: Final answer
    x = 102,600.74

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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.