Home / 93,408.28-128,898.06-53,116.36

Finding the Fourth Proportional to 93,408.28, 128,898.06 and 53,116.36

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Solution

The fourth proportional to 93,408.28, 128,898.06 and 53,116.36 is: 73,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,408.28 : 128,898.06 = 53,116.36 : x
  2. Step 2: Convert to fraction form
    93,408.28/128,898.06 = 53,116.36/x
  3. Step 3: Cross multiply
    93,408.28x = 128,898.06 × 53,116.36
  4. Step 4: Simplify right side
    93,408.28x = 6,846,595,758.26
  5. Step 5: Solve for x
    x = 6,846,595,758.26/93,408.28
  6. Step 6: Final answer
    x = 73,297.53

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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.