Home / 93,222.91-128,646.96-50,781.44

Finding the Fourth Proportional to 93,222.91, 128,646.96 and 50,781.44

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Solution

The fourth proportional to 93,222.91, 128,646.96 and 50,781.44 is: 70,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,222.91 : 128,646.96 = 50,781.44 : x
  2. Step 2: Convert to fraction form
    93,222.91/128,646.96 = 50,781.44/x
  3. Step 3: Cross multiply
    93,222.91x = 128,646.96 × 50,781.44
  4. Step 4: Simplify right side
    93,222.91x = 6,532,877,529.18
  5. Step 5: Solve for x
    x = 6,532,877,529.18/93,222.91
  6. Step 6: Final answer
    x = 70,078.03

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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.