Home / 76,457.08-114,640.20-29,075.64

Finding the Fourth Proportional to 76,457.08, 114,640.20 and 29,075.64

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Solution

The fourth proportional to 76,457.08, 114,640.20 and 29,075.64 is: 43,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,457.08 : 114,640.20 = 29,075.64 : x
  2. Step 2: Convert to fraction form
    76,457.08/114,640.20 = 29,075.64/x
  3. Step 3: Cross multiply
    76,457.08x = 114,640.20 × 29,075.64
  4. Step 4: Simplify right side
    76,457.08x = 3,333,237,184.73
  5. Step 5: Solve for x
    x = 3,333,237,184.73/76,457.08
  6. Step 6: Final answer
    x = 43,596.19

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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.