Home / 65,188.55-89,961.56-36,894.23

Finding the Fourth Proportional to 65,188.55, 89,961.56 and 36,894.23

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Solution

The fourth proportional to 65,188.55, 89,961.56 and 36,894.23 is: 50,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,188.55 : 89,961.56 = 36,894.23 : x
  2. Step 2: Convert to fraction form
    65,188.55/89,961.56 = 36,894.23/x
  3. Step 3: Cross multiply
    65,188.55x = 89,961.56 × 36,894.23
  4. Step 4: Simplify right side
    65,188.55x = 3,319,062,937.03
  5. Step 5: Solve for x
    x = 3,319,062,937.03/65,188.55
  6. Step 6: Final answer
    x = 50,914.82

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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.