Home / 93,918.70-129,621.09-58,120.25

Finding the Fourth Proportional to 93,918.70, 129,621.09 and 58,120.25

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Solution

The fourth proportional to 93,918.70, 129,621.09 and 58,120.25 is: 80,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,918.70 : 129,621.09 = 58,120.25 : x
  2. Step 2: Convert to fraction form
    93,918.70/129,621.09 = 58,120.25/x
  3. Step 3: Cross multiply
    93,918.70x = 129,621.09 × 58,120.25
  4. Step 4: Simplify right side
    93,918.70x = 7,533,609,725.92
  5. Step 5: Solve for x
    x = 7,533,609,725.92/93,918.70
  6. Step 6: Final answer
    x = 80,214.16

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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.