Home / 50,835.12-76,087.08-45,985.20

Finding the Fourth Proportional to 50,835.12, 76,087.08 and 45,985.20

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Solution

The fourth proportional to 50,835.12, 76,087.08 and 45,985.20 is: 68,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,835.12 : 76,087.08 = 45,985.20 : x
  2. Step 2: Convert to fraction form
    50,835.12/76,087.08 = 45,985.20/x
  3. Step 3: Cross multiply
    50,835.12x = 76,087.08 × 45,985.20
  4. Step 4: Simplify right side
    50,835.12x = 3,498,879,591.22
  5. Step 5: Solve for x
    x = 3,498,879,591.22/50,835.12
  6. Step 6: Final answer
    x = 68,828.00

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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.