Home / 76,715.37-115,074.27-23,408.46

Finding the Fourth Proportional to 76,715.37, 115,074.27 and 23,408.46

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Solution

The fourth proportional to 76,715.37, 115,074.27 and 23,408.46 is: 35,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,715.37 : 115,074.27 = 23,408.46 : x
  2. Step 2: Convert to fraction form
    76,715.37/115,074.27 = 23,408.46/x
  3. Step 3: Cross multiply
    76,715.37x = 115,074.27 × 23,408.46
  4. Step 4: Simplify right side
    76,715.37x = 2,693,711,446.32
  5. Step 5: Solve for x
    x = 2,693,711,446.32/76,715.37
  6. Step 6: Final answer
    x = 35,113.06

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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.