Home / 120,477.12-180,798.57-41,591.36

Finding the Fourth Proportional to 120,477.12, 180,798.57 and 41,591.36

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Solution

The fourth proportional to 120,477.12, 180,798.57 and 41,591.36 is: 62,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,477.12 : 180,798.57 = 41,591.36 : x
  2. Step 2: Convert to fraction form
    120,477.12/180,798.57 = 41,591.36/x
  3. Step 3: Cross multiply
    120,477.12x = 180,798.57 × 41,591.36
  4. Step 4: Simplify right side
    120,477.12x = 7,519,657,508.36
  5. Step 5: Solve for x
    x = 7,519,657,508.36/120,477.12
  6. Step 6: Final answer
    x = 62,415.65

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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.