Home / 76,947.89-106,232.27-58,655.01

Finding the Fourth Proportional to 76,947.89, 106,232.27 and 58,655.01

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Solution

The fourth proportional to 76,947.89, 106,232.27 and 58,655.01 is: 80,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,947.89 : 106,232.27 = 58,655.01 : x
  2. Step 2: Convert to fraction form
    76,947.89/106,232.27 = 58,655.01/x
  3. Step 3: Cross multiply
    76,947.89x = 106,232.27 × 58,655.01
  4. Step 4: Simplify right side
    76,947.89x = 6,231,054,565.90
  5. Step 5: Solve for x
    x = 6,231,054,565.90/76,947.89
  6. Step 6: Final answer
    x = 80,977.59

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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.