Home / 53,790.04-74,228.34-29,917.72

Finding the Fourth Proportional to 53,790.04, 74,228.34 and 29,917.72

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Solution

The fourth proportional to 53,790.04, 74,228.34 and 29,917.72 is: 41,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.04 : 74,228.34 = 29,917.72 : x
  2. Step 2: Convert to fraction form
    53,790.04/74,228.34 = 29,917.72/x
  3. Step 3: Cross multiply
    53,790.04x = 74,228.34 × 29,917.72
  4. Step 4: Simplify right side
    53,790.04x = 2,220,742,692.18
  5. Step 5: Solve for x
    x = 2,220,742,692.18/53,790.04
  6. Step 6: Final answer
    x = 41,285.39

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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.