Home / 53,454.94-80,190.61-38,774.70

Finding the Fourth Proportional to 53,454.94, 80,190.61 and 38,774.70

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Solution

The fourth proportional to 53,454.94, 80,190.61 and 38,774.70 is: 58,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,454.94 : 80,190.61 = 38,774.70 : x
  2. Step 2: Convert to fraction form
    53,454.94/80,190.61 = 38,774.70/x
  3. Step 3: Cross multiply
    53,454.94x = 80,190.61 × 38,774.70
  4. Step 4: Simplify right side
    53,454.94x = 3,109,366,748.63
  5. Step 5: Solve for x
    x = 3,109,366,748.63/53,454.94
  6. Step 6: Final answer
    x = 58,168.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.