Home / 90,366.60-124,627.32-67,756.44

Finding the Fourth Proportional to 90,366.60, 124,627.32 and 67,756.44

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Solution

The fourth proportional to 90,366.60, 124,627.32 and 67,756.44 is: 93,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,366.60 : 124,627.32 = 67,756.44 : x
  2. Step 2: Convert to fraction form
    90,366.60/124,627.32 = 67,756.44/x
  3. Step 3: Cross multiply
    90,366.60x = 124,627.32 × 67,756.44
  4. Step 4: Simplify right side
    90,366.60x = 8,444,303,529.94
  5. Step 5: Solve for x
    x = 8,444,303,529.94/90,366.60
  6. Step 6: Final answer
    x = 93,444.96

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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.