Home / 76,620.15-114,930.43-23,312.63

Finding the Fourth Proportional to 76,620.15, 114,930.43 and 23,312.63

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Solution

The fourth proportional to 76,620.15, 114,930.43 and 23,312.63 is: 34,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,620.15 : 114,930.43 = 23,312.63 : x
  2. Step 2: Convert to fraction form
    76,620.15/114,930.43 = 23,312.63/x
  3. Step 3: Cross multiply
    76,620.15x = 114,930.43 × 23,312.63
  4. Step 4: Simplify right side
    76,620.15x = 2,679,330,819.38
  5. Step 5: Solve for x
    x = 2,679,330,819.38/76,620.15
  6. Step 6: Final answer
    x = 34,969.01

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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.