Home / 76,730.40-115,108.20-24,127.20

Finding the Fourth Proportional to 76,730.40, 115,108.20 and 24,127.20

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Solution

The fourth proportional to 76,730.40, 115,108.20 and 24,127.20 is: 36,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,730.40 : 115,108.20 = 24,127.20 : x
  2. Step 2: Convert to fraction form
    76,730.40/115,108.20 = 24,127.20/x
  3. Step 3: Cross multiply
    76,730.40x = 115,108.20 × 24,127.20
  4. Step 4: Simplify right side
    76,730.40x = 2,777,238,563.04
  5. Step 5: Solve for x
    x = 2,777,238,563.04/76,730.40
  6. Step 6: Final answer
    x = 36,194.76

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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.