Home / 75,730.43-104,475.14-45,086.38

Finding the Fourth Proportional to 75,730.43, 104,475.14 and 45,086.38

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Solution

The fourth proportional to 75,730.43, 104,475.14 and 45,086.38 is: 62,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,730.43 : 104,475.14 = 45,086.38 : x
  2. Step 2: Convert to fraction form
    75,730.43/104,475.14 = 45,086.38/x
  3. Step 3: Cross multiply
    75,730.43x = 104,475.14 × 45,086.38
  4. Step 4: Simplify right side
    75,730.43x = 4,710,405,862.59
  5. Step 5: Solve for x
    x = 4,710,405,862.59/75,730.43
  6. Step 6: Final answer
    x = 62,199.65

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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.