Home / 105,543.54-145,650.06-57,797.82

Finding the Fourth Proportional to 105,543.54, 145,650.06 and 57,797.82

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Solution

The fourth proportional to 105,543.54, 145,650.06 and 57,797.82 is: 79,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,543.54 : 145,650.06 = 57,797.82 : x
  2. Step 2: Convert to fraction form
    105,543.54/145,650.06 = 57,797.82/x
  3. Step 3: Cross multiply
    105,543.54x = 145,650.06 × 57,797.82
  4. Step 4: Simplify right side
    105,543.54x = 8,418,255,950.87
  5. Step 5: Solve for x
    x = 8,418,255,950.87/105,543.54
  6. Step 6: Final answer
    x = 79,760.98

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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.