Home / 93,249.12-128,682.24-50,807.52

Finding the Fourth Proportional to 93,249.12, 128,682.24 and 50,807.52

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Solution

The fourth proportional to 93,249.12, 128,682.24 and 50,807.52 is: 70,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,249.12 : 128,682.24 = 50,807.52 : x
  2. Step 2: Convert to fraction form
    93,249.12/128,682.24 = 50,807.52/x
  3. Step 3: Cross multiply
    93,249.12x = 128,682.24 × 50,807.52
  4. Step 4: Simplify right side
    93,249.12x = 6,538,025,482.44
  5. Step 5: Solve for x
    x = 6,538,025,482.44/93,249.12
  6. Step 6: Final answer
    x = 70,113.54

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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.