Home / 76,715.67-115,080.04-23,419.63

Finding the Fourth Proportional to 76,715.67, 115,080.04 and 23,419.63

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Solution

The fourth proportional to 76,715.67, 115,080.04 and 23,419.63 is: 35,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,715.67 : 115,080.04 = 23,419.63 : x
  2. Step 2: Convert to fraction form
    76,715.67/115,080.04 = 23,419.63/x
  3. Step 3: Cross multiply
    76,715.67x = 115,080.04 × 23,419.63
  4. Step 4: Simplify right side
    76,715.67x = 2,695,132,130.31
  5. Step 5: Solve for x
    x = 2,695,132,130.31/76,715.67
  6. Step 6: Final answer
    x = 35,131.44

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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.