Home / 93,342.15-128,811.92-50,900.69

Finding the Fourth Proportional to 93,342.15, 128,811.92 and 50,900.69

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Solution

The fourth proportional to 93,342.15, 128,811.92 and 50,900.69 is: 70,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,342.15 : 128,811.92 = 50,900.69 : x
  2. Step 2: Convert to fraction form
    93,342.15/128,811.92 = 50,900.69/x
  3. Step 3: Cross multiply
    93,342.15x = 128,811.92 × 50,900.69
  4. Step 4: Simplify right side
    93,342.15x = 6,556,614,709.66
  5. Step 5: Solve for x
    x = 6,556,614,709.66/93,342.15
  6. Step 6: Final answer
    x = 70,242.81

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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.