Home / 69,938.08-96,485.66-48,729.65

Finding the Fourth Proportional to 69,938.08, 96,485.66 and 48,729.65

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Solution

The fourth proportional to 69,938.08, 96,485.66 and 48,729.65 is: 67,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,938.08 : 96,485.66 = 48,729.65 : x
  2. Step 2: Convert to fraction form
    69,938.08/96,485.66 = 48,729.65/x
  3. Step 3: Cross multiply
    69,938.08x = 96,485.66 × 48,729.65
  4. Step 4: Simplify right side
    69,938.08x = 4,701,711,715.74
  5. Step 5: Solve for x
    x = 4,701,711,715.74/69,938.08
  6. Step 6: Final answer
    x = 67,226.78

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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.