Home / 102,877.48-141,973.94-57,554.41

Finding the Fourth Proportional to 102,877.48, 141,973.94 and 57,554.41

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Solution

The fourth proportional to 102,877.48, 141,973.94 and 57,554.41 is: 79,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,877.48 : 141,973.94 = 57,554.41 : x
  2. Step 2: Convert to fraction form
    102,877.48/141,973.94 = 57,554.41/x
  3. Step 3: Cross multiply
    102,877.48x = 141,973.94 × 57,554.41
  4. Step 4: Simplify right side
    102,877.48x = 8,171,226,352.08
  5. Step 5: Solve for x
    x = 8,171,226,352.08/102,877.48
  6. Step 6: Final answer
    x = 79,426.77

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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.