Home / 76,422.40-114,633.60-52,802.80

Finding the Fourth Proportional to 76,422.40, 114,633.60 and 52,802.80

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Solution

The fourth proportional to 76,422.40, 114,633.60 and 52,802.80 is: 79,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.40 : 114,633.60 = 52,802.80 : x
  2. Step 2: Convert to fraction form
    76,422.40/114,633.60 = 52,802.80/x
  3. Step 3: Cross multiply
    76,422.40x = 114,633.60 × 52,802.80
  4. Step 4: Simplify right side
    76,422.40x = 6,052,975,054.08
  5. Step 5: Solve for x
    x = 6,052,975,054.08/76,422.40
  6. Step 6: Final answer
    x = 79,204.20

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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.