Home / 90,222.58-124,505.65-49,935.48

Finding the Fourth Proportional to 90,222.58, 124,505.65 and 49,935.48

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Solution

The fourth proportional to 90,222.58, 124,505.65 and 49,935.48 is: 68,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.58 : 124,505.65 = 49,935.48 : x
  2. Step 2: Convert to fraction form
    90,222.58/124,505.65 = 49,935.48/x
  3. Step 3: Cross multiply
    90,222.58x = 124,505.65 × 49,935.48
  4. Step 4: Simplify right side
    90,222.58x = 6,217,249,706.73
  5. Step 5: Solve for x
    x = 6,217,249,706.73/90,222.58
  6. Step 6: Final answer
    x = 68,910.13

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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.