Home / 93,178.02-128,581.29-50,736.42

Finding the Fourth Proportional to 93,178.02, 128,581.29 and 50,736.42

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Solution

The fourth proportional to 93,178.02, 128,581.29 and 50,736.42 is: 70,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,178.02 : 128,581.29 = 50,736.42 : x
  2. Step 2: Convert to fraction form
    93,178.02/128,581.29 = 50,736.42/x
  3. Step 3: Cross multiply
    93,178.02x = 128,581.29 × 50,736.42
  4. Step 4: Simplify right side
    93,178.02x = 6,523,754,333.58
  5. Step 5: Solve for x
    x = 6,523,754,333.58/93,178.02
  6. Step 6: Final answer
    x = 70,013.88

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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.