Home / 76,004.20-114,029.36-53,860.40

Finding the Fourth Proportional to 76,004.20, 114,029.36 and 53,860.40

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Solution

The fourth proportional to 76,004.20, 114,029.36 and 53,860.40 is: 80,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,004.20 : 114,029.36 = 53,860.40 : x
  2. Step 2: Convert to fraction form
    76,004.20/114,029.36 = 53,860.40/x
  3. Step 3: Cross multiply
    76,004.20x = 114,029.36 × 53,860.40
  4. Step 4: Simplify right side
    76,004.20x = 6,141,666,941.34
  5. Step 5: Solve for x
    x = 6,141,666,941.34/76,004.20
  6. Step 6: Final answer
    x = 80,806.94

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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.