Home / 93,057.30-128,416.77-52,771.14

Finding the Fourth Proportional to 93,057.30, 128,416.77 and 52,771.14

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Solution

The fourth proportional to 93,057.30, 128,416.77 and 52,771.14 is: 72,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,057.30 : 128,416.77 = 52,771.14 : x
  2. Step 2: Convert to fraction form
    93,057.30/128,416.77 = 52,771.14/x
  3. Step 3: Cross multiply
    93,057.30x = 128,416.77 × 52,771.14
  4. Step 4: Simplify right side
    93,057.30x = 6,776,699,348.02
  5. Step 5: Solve for x
    x = 6,776,699,348.02/93,057.30
  6. Step 6: Final answer
    x = 72,822.87

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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.