Home / 93,238.24-128,646.48-55,524.64

Finding the Fourth Proportional to 93,238.24, 128,646.48 and 55,524.64

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Solution

The fourth proportional to 93,238.24, 128,646.48 and 55,524.64 is: 76,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,238.24 : 128,646.48 = 55,524.64 : x
  2. Step 2: Convert to fraction form
    93,238.24/128,646.48 = 55,524.64/x
  3. Step 3: Cross multiply
    93,238.24x = 128,646.48 × 55,524.64
  4. Step 4: Simplify right side
    93,238.24x = 7,143,049,489.27
  5. Step 5: Solve for x
    x = 7,143,049,489.27/93,238.24
  6. Step 6: Final answer
    x = 76,610.73

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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.