Home / 76,345.11-105,319.98-50,863.32

Finding the Fourth Proportional to 76,345.11, 105,319.98 and 50,863.32

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Solution

The fourth proportional to 76,345.11, 105,319.98 and 50,863.32 is: 70,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,345.11 : 105,319.98 = 50,863.32 : x
  2. Step 2: Convert to fraction form
    76,345.11/105,319.98 = 50,863.32/x
  3. Step 3: Cross multiply
    76,345.11x = 105,319.98 × 50,863.32
  4. Step 4: Simplify right side
    76,345.11x = 5,356,923,845.13
  5. Step 5: Solve for x
    x = 5,356,923,845.13/76,345.11
  6. Step 6: Final answer
    x = 70,167.22

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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.