Home / 76,251.32-105,095.39-50,712.01

Finding the Fourth Proportional to 76,251.32, 105,095.39 and 50,712.01

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Solution

The fourth proportional to 76,251.32, 105,095.39 and 50,712.01 is: 69,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,251.32 : 105,095.39 = 50,712.01 : x
  2. Step 2: Convert to fraction form
    76,251.32/105,095.39 = 50,712.01/x
  3. Step 3: Cross multiply
    76,251.32x = 105,095.39 × 50,712.01
  4. Step 4: Simplify right side
    76,251.32x = 5,329,598,237.59
  5. Step 5: Solve for x
    x = 5,329,598,237.59/76,251.32
  6. Step 6: Final answer
    x = 69,895.16

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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.