Home / 90,876.40-136,303.83-24,321.74

Finding the Fourth Proportional to 90,876.40, 136,303.83 and 24,321.74

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Solution

The fourth proportional to 90,876.40, 136,303.83 and 24,321.74 is: 36,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.40 : 136,303.83 = 24,321.74 : x
  2. Step 2: Convert to fraction form
    90,876.40/136,303.83 = 24,321.74/x
  3. Step 3: Cross multiply
    90,876.40x = 136,303.83 × 24,321.74
  4. Step 4: Simplify right side
    90,876.40x = 3,315,145,632.75
  5. Step 5: Solve for x
    x = 3,315,145,632.75/90,876.40
  6. Step 6: Final answer
    x = 36,479.72

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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.