Home / 65,913.55-90,966.30-37,238.48

Finding the Fourth Proportional to 65,913.55, 90,966.30 and 37,238.48

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Solution

The fourth proportional to 65,913.55, 90,966.30 and 37,238.48 is: 51,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.55 : 90,966.30 = 37,238.48 : x
  2. Step 2: Convert to fraction form
    65,913.55/90,966.30 = 37,238.48/x
  3. Step 3: Cross multiply
    65,913.55x = 90,966.30 × 37,238.48
  4. Step 4: Simplify right side
    65,913.55x = 3,387,446,743.22
  5. Step 5: Solve for x
    x = 3,387,446,743.22/65,913.55
  6. Step 6: Final answer
    x = 51,392.27

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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.