Home / 75,156.13-103,732.47-46,856.35

Finding the Fourth Proportional to 75,156.13, 103,732.47 and 46,856.35

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Solution

The fourth proportional to 75,156.13, 103,732.47 and 46,856.35 is: 64,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,156.13 : 103,732.47 = 46,856.35 : x
  2. Step 2: Convert to fraction form
    75,156.13/103,732.47 = 46,856.35/x
  3. Step 3: Cross multiply
    75,156.13x = 103,732.47 × 46,856.35
  4. Step 4: Simplify right side
    75,156.13x = 4,860,524,920.68
  5. Step 5: Solve for x
    x = 4,860,524,920.68/75,156.13
  6. Step 6: Final answer
    x = 64,672.37

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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.