Home / 93,149.03-128,563.38-52,866.57

Finding the Fourth Proportional to 93,149.03, 128,563.38 and 52,866.57

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Solution

The fourth proportional to 93,149.03, 128,563.38 and 52,866.57 is: 72,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,149.03 : 128,563.38 = 52,866.57 : x
  2. Step 2: Convert to fraction form
    93,149.03/128,563.38 = 52,866.57/x
  3. Step 3: Cross multiply
    93,149.03x = 128,563.38 × 52,866.57
  4. Step 4: Simplify right side
    93,149.03x = 6,796,704,021.06
  5. Step 5: Solve for x
    x = 6,796,704,021.06/93,149.03
  6. Step 6: Final answer
    x = 72,965.91

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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.