Home / 93,299.12-128,748.13-53,007.56

Finding the Fourth Proportional to 93,299.12, 128,748.13 and 53,007.56

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Solution

The fourth proportional to 93,299.12, 128,748.13 and 53,007.56 is: 73,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,299.12 : 128,748.13 = 53,007.56 : x
  2. Step 2: Convert to fraction form
    93,299.12/128,748.13 = 53,007.56/x
  3. Step 3: Cross multiply
    93,299.12x = 128,748.13 × 53,007.56
  4. Step 4: Simplify right side
    93,299.12x = 6,824,623,449.60
  5. Step 5: Solve for x
    x = 6,824,623,449.60/93,299.12
  6. Step 6: Final answer
    x = 73,147.78

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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.