Home / 90,914.58-125,459.28-50,627.49

Finding the Fourth Proportional to 90,914.58, 125,459.28 and 50,627.49

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Solution

The fourth proportional to 90,914.58, 125,459.28 and 50,627.49 is: 69,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,914.58 : 125,459.28 = 50,627.49 : x
  2. Step 2: Convert to fraction form
    90,914.58/125,459.28 = 50,627.49/x
  3. Step 3: Cross multiply
    90,914.58x = 125,459.28 × 50,627.49
  4. Step 4: Simplify right side
    90,914.58x = 6,351,688,443.61
  5. Step 5: Solve for x
    x = 6,351,688,443.61/90,914.58
  6. Step 6: Final answer
    x = 69,864.35

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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.