Home / 93,857.36-129,490.78-53,542.04

Finding the Fourth Proportional to 93,857.36, 129,490.78 and 53,542.04

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Solution

The fourth proportional to 93,857.36, 129,490.78 and 53,542.04 is: 73,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,857.36 : 129,490.78 = 53,542.04 : x
  2. Step 2: Convert to fraction form
    93,857.36/129,490.78 = 53,542.04/x
  3. Step 3: Cross multiply
    93,857.36x = 129,490.78 × 53,542.04
  4. Step 4: Simplify right side
    93,857.36x = 6,933,200,522.39
  5. Step 5: Solve for x
    x = 6,933,200,522.39/93,857.36
  6. Step 6: Final answer
    x = 73,869.55

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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.