Home / 65,569.49-90,493.58-37,279.43

Finding the Fourth Proportional to 65,569.49, 90,493.58 and 37,279.43

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Solution

The fourth proportional to 65,569.49, 90,493.58 and 37,279.43 is: 51,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569.49 : 90,493.58 = 37,279.43 : x
  2. Step 2: Convert to fraction form
    65,569.49/90,493.58 = 37,279.43/x
  3. Step 3: Cross multiply
    65,569.49x = 90,493.58 × 37,279.43
  4. Step 4: Simplify right side
    65,569.49x = 3,373,548,894.66
  5. Step 5: Solve for x
    x = 3,373,548,894.66/65,569.49
  6. Step 6: Final answer
    x = 51,449.98

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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.