Home / 76,450.60-114,449.10-56,816.20

Finding the Fourth Proportional to 76,450.60, 114,449.10 and 56,816.20

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Solution

The fourth proportional to 76,450.60, 114,449.10 and 56,816.20 is: 85,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,450.60 : 114,449.10 = 56,816.20 : x
  2. Step 2: Convert to fraction form
    76,450.60/114,449.10 = 56,816.20/x
  3. Step 3: Cross multiply
    76,450.60x = 114,449.10 × 56,816.20
  4. Step 4: Simplify right side
    76,450.60x = 6,502,562,955.42
  5. Step 5: Solve for x
    x = 6,502,562,955.42/76,450.60
  6. Step 6: Final answer
    x = 85,055.75

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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.