Home / 75,887.35-104,731.65-56,733.95

Finding the Fourth Proportional to 75,887.35, 104,731.65 and 56,733.95

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Solution

The fourth proportional to 75,887.35, 104,731.65 and 56,733.95 is: 78,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,887.35 : 104,731.65 = 56,733.95 : x
  2. Step 2: Convert to fraction form
    75,887.35/104,731.65 = 56,733.95/x
  3. Step 3: Cross multiply
    75,887.35x = 104,731.65 × 56,733.95
  4. Step 4: Simplify right side
    75,887.35x = 5,941,840,456.35
  5. Step 5: Solve for x
    x = 5,941,840,456.35/75,887.35
  6. Step 6: Final answer
    x = 78,298.17

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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.