Home / 99,196.84-136,890.66-53,875.24

Finding the Fourth Proportional to 99,196.84, 136,890.66 and 53,875.24

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Solution

The fourth proportional to 99,196.84, 136,890.66 and 53,875.24 is: 74,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,196.84 : 136,890.66 = 53,875.24 : x
  2. Step 2: Convert to fraction form
    99,196.84/136,890.66 = 53,875.24/x
  3. Step 3: Cross multiply
    99,196.84x = 136,890.66 × 53,875.24
  4. Step 4: Simplify right side
    99,196.84x = 7,375,017,161.26
  5. Step 5: Solve for x
    x = 7,375,017,161.26/99,196.84
  6. Step 6: Final answer
    x = 74,347.30

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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.