Home / 98,827.48-136,402.52-90,857.08

Finding the Fourth Proportional to 98,827.48, 136,402.52 and 90,857.08

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Solution

The fourth proportional to 98,827.48, 136,402.52 and 90,857.08 is: 125,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.48 : 136,402.52 = 90,857.08 : x
  2. Step 2: Convert to fraction form
    98,827.48/136,402.52 = 90,857.08/x
  3. Step 3: Cross multiply
    98,827.48x = 136,402.52 × 90,857.08
  4. Step 4: Simplify right side
    98,827.48x = 12,393,134,671.84
  5. Step 5: Solve for x
    x = 12,393,134,671.84/98,827.48
  6. Step 6: Final answer
    x = 125,401.71

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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.