Home / 76,736.40-115,117.20-24,133.20

Finding the Fourth Proportional to 76,736.40, 115,117.20 and 24,133.20

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Solution

The fourth proportional to 76,736.40, 115,117.20 and 24,133.20 is: 36,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,736.40 : 115,117.20 = 24,133.20 : x
  2. Step 2: Convert to fraction form
    76,736.40/115,117.20 = 24,133.20/x
  3. Step 3: Cross multiply
    76,736.40x = 115,117.20 × 24,133.20
  4. Step 4: Simplify right side
    76,736.40x = 2,778,146,411.04
  5. Step 5: Solve for x
    x = 2,778,146,411.04/76,736.40
  6. Step 6: Final answer
    x = 36,203.76

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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.