Home / 76,200.24-105,168.38-45,989.88

Finding the Fourth Proportional to 76,200.24, 105,168.38 and 45,989.88

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Solution

The fourth proportional to 76,200.24, 105,168.38 and 45,989.88 is: 63,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.24 : 105,168.38 = 45,989.88 : x
  2. Step 2: Convert to fraction form
    76,200.24/105,168.38 = 45,989.88/x
  3. Step 3: Cross multiply
    76,200.24x = 105,168.38 × 45,989.88
  4. Step 4: Simplify right side
    76,200.24x = 4,836,680,551.66
  5. Step 5: Solve for x
    x = 4,836,680,551.66/76,200.24
  6. Step 6: Final answer
    x = 63,473.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.