Home / 51,098.80-76,629.08-17,810.32

Finding the Fourth Proportional to 51,098.80, 76,629.08 and 17,810.32

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Solution

The fourth proportional to 51,098.80, 76,629.08 and 17,810.32 is: 26,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.80 : 76,629.08 = 17,810.32 : x
  2. Step 2: Convert to fraction form
    51,098.80/76,629.08 = 17,810.32/x
  3. Step 3: Cross multiply
    51,098.80x = 76,629.08 × 17,810.32
  4. Step 4: Simplify right side
    51,098.80x = 1,364,788,436.11
  5. Step 5: Solve for x
    x = 1,364,788,436.11/51,098.80
  6. Step 6: Final answer
    x = 26,708.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.