Home / 76,171.26-105,117.42-43,888.06

Finding the Fourth Proportional to 76,171.26, 105,117.42 and 43,888.06

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Solution

The fourth proportional to 76,171.26, 105,117.42 and 43,888.06 is: 60,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,171.26 : 105,117.42 = 43,888.06 : x
  2. Step 2: Convert to fraction form
    76,171.26/105,117.42 = 43,888.06/x
  3. Step 3: Cross multiply
    76,171.26x = 105,117.42 × 43,888.06
  4. Step 4: Simplify right side
    76,171.26x = 4,613,399,636.01
  5. Step 5: Solve for x
    x = 4,613,399,636.01/76,171.26
  6. Step 6: Final answer
    x = 60,566.15

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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.