Home / 115,577.56-173,037.66-76,015.72

Finding the Fourth Proportional to 115,577.56, 173,037.66 and 76,015.72

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Solution

The fourth proportional to 115,577.56, 173,037.66 and 76,015.72 is: 113,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,577.56 : 173,037.66 = 76,015.72 : x
  2. Step 2: Convert to fraction form
    115,577.56/173,037.66 = 76,015.72/x
  3. Step 3: Cross multiply
    115,577.56x = 173,037.66 × 76,015.72
  4. Step 4: Simplify right side
    115,577.56x = 13,153,582,312.02
  5. Step 5: Solve for x
    x = 13,153,582,312.02/115,577.56
  6. Step 6: Final answer
    x = 113,807.41

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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.