Home / 102,623.25-141,618.62-57,301.95

Finding the Fourth Proportional to 102,623.25, 141,618.62 and 57,301.95

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Solution

The fourth proportional to 102,623.25, 141,618.62 and 57,301.95 is: 79,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.25 : 141,618.62 = 57,301.95 : x
  2. Step 2: Convert to fraction form
    102,623.25/141,618.62 = 57,301.95/x
  3. Step 3: Cross multiply
    102,623.25x = 141,618.62 × 57,301.95
  4. Step 4: Simplify right side
    102,623.25x = 8,115,022,798.87
  5. Step 5: Solve for x
    x = 8,115,022,798.87/102,623.25
  6. Step 6: Final answer
    x = 79,075.87

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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.