Home / 76,000.80-113,828.40-48,007.20

Finding the Fourth Proportional to 76,000.80, 113,828.40 and 48,007.20

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Solution

The fourth proportional to 76,000.80, 113,828.40 and 48,007.20 is: 71,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.80 : 113,828.40 = 48,007.20 : x
  2. Step 2: Convert to fraction form
    76,000.80/113,828.40 = 48,007.20/x
  3. Step 3: Cross multiply
    76,000.80x = 113,828.40 × 48,007.20
  4. Step 4: Simplify right side
    76,000.80x = 5,464,582,764.48
  5. Step 5: Solve for x
    x = 5,464,582,764.48/76,000.80
  6. Step 6: Final answer
    x = 71,901.65

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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.