Home / 75,112.85-103,655.82-46,818.50

Finding the Fourth Proportional to 75,112.85, 103,655.82 and 46,818.50

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Solution

The fourth proportional to 75,112.85, 103,655.82 and 46,818.50 is: 64,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.85 : 103,655.82 = 46,818.50 : x
  2. Step 2: Convert to fraction form
    75,112.85/103,655.82 = 46,818.50/x
  3. Step 3: Cross multiply
    75,112.85x = 103,655.82 × 46,818.50
  4. Step 4: Simplify right side
    75,112.85x = 4,853,010,008.67
  5. Step 5: Solve for x
    x = 4,853,010,008.67/75,112.85
  6. Step 6: Final answer
    x = 64,609.58

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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.