Home / 76,219.40-114,329.10-51,336.20

Finding the Fourth Proportional to 76,219.40, 114,329.10 and 51,336.20

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Solution

The fourth proportional to 76,219.40, 114,329.10 and 51,336.20 is: 77,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,219.40 : 114,329.10 = 51,336.20 : x
  2. Step 2: Convert to fraction form
    76,219.40/114,329.10 = 51,336.20/x
  3. Step 3: Cross multiply
    76,219.40x = 114,329.10 × 51,336.20
  4. Step 4: Simplify right side
    76,219.40x = 5,869,221,543.42
  5. Step 5: Solve for x
    x = 5,869,221,543.42/76,219.40
  6. Step 6: Final answer
    x = 77,004.30

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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.