Home / 93,453.55-128,965.03-57,629.23

Finding the Fourth Proportional to 93,453.55, 128,965.03 and 57,629.23

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Solution

The fourth proportional to 93,453.55, 128,965.03 and 57,629.23 is: 79,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,453.55 : 128,965.03 = 57,629.23 : x
  2. Step 2: Convert to fraction form
    93,453.55/128,965.03 = 57,629.23/x
  3. Step 3: Cross multiply
    93,453.55x = 128,965.03 × 57,629.23
  4. Step 4: Simplify right side
    93,453.55x = 7,432,155,375.83
  5. Step 5: Solve for x
    x = 7,432,155,375.83/93,453.55
  6. Step 6: Final answer
    x = 79,527.80

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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.