Home / 98,835.88-136,393.31-53,513.90

Finding the Fourth Proportional to 98,835.88, 136,393.31 and 53,513.90

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Solution

The fourth proportional to 98,835.88, 136,393.31 and 53,513.90 is: 73,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,835.88 : 136,393.31 = 53,513.90 : x
  2. Step 2: Convert to fraction form
    98,835.88/136,393.31 = 53,513.90/x
  3. Step 3: Cross multiply
    98,835.88x = 136,393.31 × 53,513.90
  4. Step 4: Simplify right side
    98,835.88x = 7,298,938,025.42
  5. Step 5: Solve for x
    x = 7,298,938,025.42/98,835.88
  6. Step 6: Final answer
    x = 73,849.07

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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.