Home / 102,848.21-141,943.67-57,528.71

Finding the Fourth Proportional to 102,848.21, 141,943.67 and 57,528.71

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Solution

The fourth proportional to 102,848.21, 141,943.67 and 57,528.71 is: 79,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,848.21 : 141,943.67 = 57,528.71 : x
  2. Step 2: Convert to fraction form
    102,848.21/141,943.67 = 57,528.71/x
  3. Step 3: Cross multiply
    102,848.21x = 141,943.67 × 57,528.71
  4. Step 4: Simplify right side
    102,848.21x = 8,165,836,227.77
  5. Step 5: Solve for x
    x = 8,165,836,227.77/102,848.21
  6. Step 6: Final answer
    x = 79,396.97

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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.