Home / 98,787.01-136,326.24-53,465.03

Finding the Fourth Proportional to 98,787.01, 136,326.24 and 53,465.03

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Solution

The fourth proportional to 98,787.01, 136,326.24 and 53,465.03 is: 73,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,787.01 : 136,326.24 = 53,465.03 : x
  2. Step 2: Convert to fraction form
    98,787.01/136,326.24 = 53,465.03/x
  3. Step 3: Cross multiply
    98,787.01x = 136,326.24 × 53,465.03
  4. Step 4: Simplify right side
    98,787.01x = 7,288,686,340.98
  5. Step 5: Solve for x
    x = 7,288,686,340.98/98,787.01
  6. Step 6: Final answer
    x = 73,781.83

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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.