Home / 76,724.40-115,102.28-32,351.20

Finding the Fourth Proportional to 76,724.40, 115,102.28 and 32,351.20

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Solution

The fourth proportional to 76,724.40, 115,102.28 and 32,351.20 is: 48,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,724.40 : 115,102.28 = 32,351.20 : x
  2. Step 2: Convert to fraction form
    76,724.40/115,102.28 = 32,351.20/x
  3. Step 3: Cross multiply
    76,724.40x = 115,102.28 × 32,351.20
  4. Step 4: Simplify right side
    76,724.40x = 3,723,696,880.74
  5. Step 5: Solve for x
    x = 3,723,696,880.74/76,724.40
  6. Step 6: Final answer
    x = 48,533.41

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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.