Home / 84,895.12-117,106.46-53,008.66

Finding the Fourth Proportional to 84,895.12, 117,106.46 and 53,008.66

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Solution

The fourth proportional to 84,895.12, 117,106.46 and 53,008.66 is: 73,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.12 : 117,106.46 = 53,008.66 : x
  2. Step 2: Convert to fraction form
    84,895.12/117,106.46 = 53,008.66/x
  3. Step 3: Cross multiply
    84,895.12x = 117,106.46 × 53,008.66
  4. Step 4: Simplify right side
    84,895.12x = 6,207,656,521.94
  5. Step 5: Solve for x
    x = 6,207,656,521.94/84,895.12
  6. Step 6: Final answer
    x = 73,121.48

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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.