Home / 76,266.60-114,432.30-36,803.40

Finding the Fourth Proportional to 76,266.60, 114,432.30 and 36,803.40

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Solution

The fourth proportional to 76,266.60, 114,432.30 and 36,803.40 is: 55,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.60 : 114,432.30 = 36,803.40 : x
  2. Step 2: Convert to fraction form
    76,266.60/114,432.30 = 36,803.40/x
  3. Step 3: Cross multiply
    76,266.60x = 114,432.30 × 36,803.40
  4. Step 4: Simplify right side
    76,266.60x = 4,211,497,709.82
  5. Step 5: Solve for x
    x = 4,211,497,709.82/76,266.60
  6. Step 6: Final answer
    x = 55,220.74

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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.