Home / 76,693.21-115,045.06-26,071.63

Finding the Fourth Proportional to 76,693.21, 115,045.06 and 26,071.63

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Solution

The fourth proportional to 76,693.21, 115,045.06 and 26,071.63 is: 39,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,693.21 : 115,045.06 = 26,071.63 : x
  2. Step 2: Convert to fraction form
    76,693.21/115,045.06 = 26,071.63/x
  3. Step 3: Cross multiply
    76,693.21x = 115,045.06 × 26,071.63
  4. Step 4: Simplify right side
    76,693.21x = 2,999,412,481.76
  5. Step 5: Solve for x
    x = 2,999,412,481.76/76,693.21
  6. Step 6: Final answer
    x = 39,109.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.