Home / 104,454.63-144,147.51-56,708.01

Finding the Fourth Proportional to 104,454.63, 144,147.51 and 56,708.01

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Solution

The fourth proportional to 104,454.63, 144,147.51 and 56,708.01 is: 78,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,454.63 : 144,147.51 = 56,708.01 : x
  2. Step 2: Convert to fraction form
    104,454.63/144,147.51 = 56,708.01/x
  3. Step 3: Cross multiply
    104,454.63x = 144,147.51 × 56,708.01
  4. Step 4: Simplify right side
    104,454.63x = 8,174,318,438.56
  5. Step 5: Solve for x
    x = 8,174,318,438.56/104,454.63
  6. Step 6: Final answer
    x = 78,257.12

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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.