Home / 93,204.96-128,511.54-76,146.36

Finding the Fourth Proportional to 93,204.96, 128,511.54 and 76,146.36

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Solution

The fourth proportional to 93,204.96, 128,511.54 and 76,146.36 is: 104,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,204.96 : 128,511.54 = 76,146.36 : x
  2. Step 2: Convert to fraction form
    93,204.96/128,511.54 = 76,146.36/x
  3. Step 3: Cross multiply
    93,204.96x = 128,511.54 × 76,146.36
  4. Step 4: Simplify right side
    93,204.96x = 9,785,685,988.99
  5. Step 5: Solve for x
    x = 9,785,685,988.99/93,204.96
  6. Step 6: Final answer
    x = 104,991.04

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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.