Home / 76,900.72-115,402.34-29,554.91

Finding the Fourth Proportional to 76,900.72, 115,402.34 and 29,554.91

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Solution

The fourth proportional to 76,900.72, 115,402.34 and 29,554.91 is: 44,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,900.72 : 115,402.34 = 29,554.91 : x
  2. Step 2: Convert to fraction form
    76,900.72/115,402.34 = 29,554.91/x
  3. Step 3: Cross multiply
    76,900.72x = 115,402.34 × 29,554.91
  4. Step 4: Simplify right side
    76,900.72x = 3,410,705,047.70
  5. Step 5: Solve for x
    x = 3,410,705,047.70/76,900.72
  6. Step 6: Final answer
    x = 44,352.05

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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.