Home / 104,621.58-144,378.72-56,875.02

Finding the Fourth Proportional to 104,621.58, 144,378.72 and 56,875.02

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Solution

The fourth proportional to 104,621.58, 144,378.72 and 56,875.02 is: 78,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.58 : 144,378.72 = 56,875.02 : x
  2. Step 2: Convert to fraction form
    104,621.58/144,378.72 = 56,875.02/x
  3. Step 3: Cross multiply
    104,621.58x = 144,378.72 × 56,875.02
  4. Step 4: Simplify right side
    104,621.58x = 8,211,542,587.57
  5. Step 5: Solve for x
    x = 8,211,542,587.57/104,621.58
  6. Step 6: Final answer
    x = 78,488.04

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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.