Home / 90,627.12-136,023.70-48,554.70

Finding the Fourth Proportional to 90,627.12, 136,023.70 and 48,554.70

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Solution

The fourth proportional to 90,627.12, 136,023.70 and 48,554.70 is: 72,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,627.12 : 136,023.70 = 48,554.70 : x
  2. Step 2: Convert to fraction form
    90,627.12/136,023.70 = 48,554.70/x
  3. Step 3: Cross multiply
    90,627.12x = 136,023.70 × 48,554.70
  4. Step 4: Simplify right side
    90,627.12x = 6,604,589,946.39
  5. Step 5: Solve for x
    x = 6,604,589,946.39/90,627.12
  6. Step 6: Final answer
    x = 72,876.53

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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.