Home / 99,855.84-137,801.28-54,534.16

Finding the Fourth Proportional to 99,855.84, 137,801.28 and 54,534.16

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Solution

The fourth proportional to 99,855.84, 137,801.28 and 54,534.16 is: 75,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,855.84 : 137,801.28 = 54,534.16 : x
  2. Step 2: Convert to fraction form
    99,855.84/137,801.28 = 54,534.16/x
  3. Step 3: Cross multiply
    99,855.84x = 137,801.28 × 54,534.16
  4. Step 4: Simplify right side
    99,855.84x = 7,514,877,051.72
  5. Step 5: Solve for x
    x = 7,514,877,051.72/99,855.84
  6. Step 6: Final answer
    x = 75,257.26

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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.