Home / 65,913.30-90,965.96-37,238.23

Finding the Fourth Proportional to 65,913.30, 90,965.96 and 37,238.23

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Solution

The fourth proportional to 65,913.30, 90,965.96 and 37,238.23 is: 51,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.30 : 90,965.96 = 37,238.23 : x
  2. Step 2: Convert to fraction form
    65,913.30/90,965.96 = 37,238.23/x
  3. Step 3: Cross multiply
    65,913.30x = 90,965.96 × 37,238.23
  4. Step 4: Simplify right side
    65,913.30x = 3,387,410,927.04
  5. Step 5: Solve for x
    x = 3,387,410,927.04/65,913.30
  6. Step 6: Final answer
    x = 51,391.92

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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.