Home / 69,823.98-96,358.74-39,611.34

Finding the Fourth Proportional to 69,823.98, 96,358.74 and 39,611.34

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Solution

The fourth proportional to 69,823.98, 96,358.74 and 39,611.34 is: 54,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,823.98 : 96,358.74 = 39,611.34 : x
  2. Step 2: Convert to fraction form
    69,823.98/96,358.74 = 39,611.34/x
  3. Step 3: Cross multiply
    69,823.98x = 96,358.74 × 39,611.34
  4. Step 4: Simplify right side
    69,823.98x = 3,816,898,812.11
  5. Step 5: Solve for x
    x = 3,816,898,812.11/69,823.98
  6. Step 6: Final answer
    x = 54,664.58

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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.