Home / 93,387.54-128,885.86-53,107.36

Finding the Fourth Proportional to 93,387.54, 128,885.86 and 53,107.36

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Solution

The fourth proportional to 93,387.54, 128,885.86 and 53,107.36 is: 73,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,387.54 : 128,885.86 = 53,107.36 : x
  2. Step 2: Convert to fraction form
    93,387.54/128,885.86 = 53,107.36/x
  3. Step 3: Cross multiply
    93,387.54x = 128,885.86 × 53,107.36
  4. Step 4: Simplify right side
    93,387.54x = 6,844,787,765.93
  5. Step 5: Solve for x
    x = 6,844,787,765.93/93,387.54
  6. Step 6: Final answer
    x = 73,294.44

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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.