Home / 93,255.32-128,693.78-50,813.80

Finding the Fourth Proportional to 93,255.32, 128,693.78 and 50,813.80

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Solution

The fourth proportional to 93,255.32, 128,693.78 and 50,813.80 is: 70,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,255.32 : 128,693.78 = 50,813.80 : x
  2. Step 2: Convert to fraction form
    93,255.32/128,693.78 = 50,813.80/x
  3. Step 3: Cross multiply
    93,255.32x = 128,693.78 × 50,813.80
  4. Step 4: Simplify right side
    93,255.32x = 6,539,419,998.16
  5. Step 5: Solve for x
    x = 6,539,419,998.16/93,255.32
  6. Step 6: Final answer
    x = 70,123.83

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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.