Home / 76,181.71-105,158.97-45,968.30

Finding the Fourth Proportional to 76,181.71, 105,158.97 and 45,968.30

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Solution

The fourth proportional to 76,181.71, 105,158.97 and 45,968.30 is: 63,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.71 : 105,158.97 = 45,968.30 : x
  2. Step 2: Convert to fraction form
    76,181.71/105,158.97 = 45,968.30/x
  3. Step 3: Cross multiply
    76,181.71x = 105,158.97 × 45,968.30
  4. Step 4: Simplify right side
    76,181.71x = 4,833,979,080.65
  5. Step 5: Solve for x
    x = 4,833,979,080.65/76,181.71
  6. Step 6: Final answer
    x = 63,453.28

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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.