Home / 102,588.06-141,578.64-57,274.95

Finding the Fourth Proportional to 102,588.06, 141,578.64 and 57,274.95

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Solution

The fourth proportional to 102,588.06, 141,578.64 and 57,274.95 is: 79,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,588.06 : 141,578.64 = 57,274.95 : x
  2. Step 2: Convert to fraction form
    102,588.06/141,578.64 = 57,274.95/x
  3. Step 3: Cross multiply
    102,588.06x = 141,578.64 × 57,274.95
  4. Step 4: Simplify right side
    102,588.06x = 8,108,909,527.07
  5. Step 5: Solve for x
    x = 8,108,909,527.07/102,588.06
  6. Step 6: Final answer
    x = 79,043.40

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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.