Home / 75,755.84-104,543.27-45,558.46

Finding the Fourth Proportional to 75,755.84, 104,543.27 and 45,558.46

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Solution

The fourth proportional to 75,755.84, 104,543.27 and 45,558.46 is: 62,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,755.84 : 104,543.27 = 45,558.46 : x
  2. Step 2: Convert to fraction form
    75,755.84/104,543.27 = 45,558.46/x
  3. Step 3: Cross multiply
    75,755.84x = 104,543.27 × 45,558.46
  4. Step 4: Simplify right side
    75,755.84x = 4,762,829,634.06
  5. Step 5: Solve for x
    x = 4,762,829,634.06/75,755.84
  6. Step 6: Final answer
    x = 62,870.79

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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.