Home / 93,162.24-128,559.60-50,720.64

Finding the Fourth Proportional to 93,162.24, 128,559.60 and 50,720.64

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Solution

The fourth proportional to 93,162.24, 128,559.60 and 50,720.64 is: 69,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,162.24 : 128,559.60 = 50,720.64 : x
  2. Step 2: Convert to fraction form
    93,162.24/128,559.60 = 50,720.64/x
  3. Step 3: Cross multiply
    93,162.24x = 128,559.60 × 50,720.64
  4. Step 4: Simplify right side
    93,162.24x = 6,520,625,190.14
  5. Step 5: Solve for x
    x = 6,520,625,190.14/93,162.24
  6. Step 6: Final answer
    x = 69,992.15

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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.