Home / 76,200.66-105,157.62-45,980.15

Finding the Fourth Proportional to 76,200.66, 105,157.62 and 45,980.15

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Solution

The fourth proportional to 76,200.66, 105,157.62 and 45,980.15 is: 63,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.66 : 105,157.62 = 45,980.15 : x
  2. Step 2: Convert to fraction form
    76,200.66/105,157.62 = 45,980.15/x
  3. Step 3: Cross multiply
    76,200.66x = 105,157.62 × 45,980.15
  4. Step 4: Simplify right side
    76,200.66x = 4,835,162,615.45
  5. Step 5: Solve for x
    x = 4,835,162,615.45/76,200.66
  6. Step 6: Final answer
    x = 63,453.03

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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.