Home / 104,068.80-155,947.68-57,257.28

Finding the Fourth Proportional to 104,068.80, 155,947.68 and 57,257.28

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Solution

The fourth proportional to 104,068.80, 155,947.68 and 57,257.28 is: 85,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,068.80 : 155,947.68 = 57,257.28 : x
  2. Step 2: Convert to fraction form
    104,068.80/155,947.68 = 57,257.28/x
  3. Step 3: Cross multiply
    104,068.80x = 155,947.68 × 57,257.28
  4. Step 4: Simplify right side
    104,068.80x = 8,929,139,979.11
  5. Step 5: Solve for x
    x = 8,929,139,979.11/104,068.80
  6. Step 6: Final answer
    x = 85,800.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.