Home / 93,328.40-128,803.97-51,939.58

Finding the Fourth Proportional to 93,328.40, 128,803.97 and 51,939.58

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Solution

The fourth proportional to 93,328.40, 128,803.97 and 51,939.58 is: 71,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,328.40 : 128,803.97 = 51,939.58 : x
  2. Step 2: Convert to fraction form
    93,328.40/128,803.97 = 51,939.58/x
  3. Step 3: Cross multiply
    93,328.40x = 128,803.97 × 51,939.58
  4. Step 4: Simplify right side
    93,328.40x = 6,690,024,153.48
  5. Step 5: Solve for x
    x = 6,690,024,153.48/93,328.40
  6. Step 6: Final answer
    x = 71,682.62

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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.