Home / 69,485.04-95,902.28-39,677.04

Finding the Fourth Proportional to 69,485.04, 95,902.28 and 39,677.04

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Solution

The fourth proportional to 69,485.04, 95,902.28 and 39,677.04 is: 54,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485.04 : 95,902.28 = 39,677.04 : x
  2. Step 2: Convert to fraction form
    69,485.04/95,902.28 = 39,677.04/x
  3. Step 3: Cross multiply
    69,485.04x = 95,902.28 × 39,677.04
  4. Step 4: Simplify right side
    69,485.04x = 3,805,118,599.65
  5. Step 5: Solve for x
    x = 3,805,118,599.65/69,485.04
  6. Step 6: Final answer
    x = 54,761.70

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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.