Home / 90,231.84-124,520.22-48,838.82

Finding the Fourth Proportional to 90,231.84, 124,520.22 and 48,838.82

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Solution

The fourth proportional to 90,231.84, 124,520.22 and 48,838.82 is: 67,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,231.84 : 124,520.22 = 48,838.82 : x
  2. Step 2: Convert to fraction form
    90,231.84/124,520.22 = 48,838.82/x
  3. Step 3: Cross multiply
    90,231.84x = 124,520.22 × 48,838.82
  4. Step 4: Simplify right side
    90,231.84x = 6,081,419,988.34
  5. Step 5: Solve for x
    x = 6,081,419,988.34/90,231.84
  6. Step 6: Final answer
    x = 67,397.72

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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.