Home / 93,452.55-128,963.66-57,628.23

Finding the Fourth Proportional to 93,452.55, 128,963.66 and 57,628.23

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Solution

The fourth proportional to 93,452.55, 128,963.66 and 57,628.23 is: 79,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,452.55 : 128,963.66 = 57,628.23 : x
  2. Step 2: Convert to fraction form
    93,452.55/128,963.66 = 57,628.23/x
  3. Step 3: Cross multiply
    93,452.55x = 128,963.66 × 57,628.23
  4. Step 4: Simplify right side
    93,452.55x = 7,431,947,171.98
  5. Step 5: Solve for x
    x = 7,431,947,171.98/93,452.55
  6. Step 6: Final answer
    x = 79,526.42

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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.