Home / 76,786.08-105,963.84-43,252.16

Finding the Fourth Proportional to 76,786.08, 105,963.84 and 43,252.16

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Solution

The fourth proportional to 76,786.08, 105,963.84 and 43,252.16 is: 59,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,786.08 : 105,963.84 = 43,252.16 : x
  2. Step 2: Convert to fraction form
    76,786.08/105,963.84 = 43,252.16/x
  3. Step 3: Cross multiply
    76,786.08x = 105,963.84 × 43,252.16
  4. Step 4: Simplify right side
    76,786.08x = 4,583,164,961.89
  5. Step 5: Solve for x
    x = 4,583,164,961.89/76,786.08
  6. Step 6: Final answer
    x = 59,687.45

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1.5x scale

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.