Home / 99,182.43-136,869.08-53,858.34

Finding the Fourth Proportional to 99,182.43, 136,869.08 and 53,858.34

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Solution

The fourth proportional to 99,182.43, 136,869.08 and 53,858.34 is: 74,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.43 : 136,869.08 = 53,858.34 : x
  2. Step 2: Convert to fraction form
    99,182.43/136,869.08 = 53,858.34/x
  3. Step 3: Cross multiply
    99,182.43x = 136,869.08 × 53,858.34
  4. Step 4: Simplify right side
    99,182.43x = 7,371,541,176.84
  5. Step 5: Solve for x
    x = 7,371,541,176.84/99,182.43
  6. Step 6: Final answer
    x = 74,323.05

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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.