Home / 76,716.67-115,081.54-23,420.63

Finding the Fourth Proportional to 76,716.67, 115,081.54 and 23,420.63

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Solution

The fourth proportional to 76,716.67, 115,081.54 and 23,420.63 is: 35,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716.67 : 115,081.54 = 23,420.63 : x
  2. Step 2: Convert to fraction form
    76,716.67/115,081.54 = 23,420.63/x
  3. Step 3: Cross multiply
    76,716.67x = 115,081.54 × 23,420.63
  4. Step 4: Simplify right side
    76,716.67x = 2,695,282,168.17
  5. Step 5: Solve for x
    x = 2,695,282,168.17/76,716.67
  6. Step 6: Final answer
    x = 35,132.94

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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.