Home / 75,763.12-104,597.96-67,356.40

Finding the Fourth Proportional to 75,763.12, 104,597.96 and 67,356.40

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Solution

The fourth proportional to 75,763.12, 104,597.96 and 67,356.40 is: 92,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,763.12 : 104,597.96 = 67,356.40 : x
  2. Step 2: Convert to fraction form
    75,763.12/104,597.96 = 67,356.40/x
  3. Step 3: Cross multiply
    75,763.12x = 104,597.96 × 67,356.40
  4. Step 4: Simplify right side
    75,763.12x = 7,045,341,434.67
  5. Step 5: Solve for x
    x = 7,045,341,434.67/75,763.12
  6. Step 6: Final answer
    x = 92,991.70

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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.