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Finding the Fourth Proportional to 93,102.50, 128,480.37 and 50,660.30

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Solution

The fourth proportional to 93,102.50, 128,480.37 and 50,660.30 is: 69,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,102.50 : 128,480.37 = 50,660.30 : x
  2. Step 2: Convert to fraction form
    93,102.50/128,480.37 = 50,660.30/x
  3. Step 3: Cross multiply
    93,102.50x = 128,480.37 × 50,660.30
  4. Step 4: Simplify right side
    93,102.50x = 6,508,854,088.31
  5. Step 5: Solve for x
    x = 6,508,854,088.31/93,102.50
  6. Step 6: Final answer
    x = 69,910.63

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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.