Home / 103,684.10-155,525.09-47,508.27

Finding the Fourth Proportional to 103,684.10, 155,525.09 and 47,508.27

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Solution

The fourth proportional to 103,684.10, 155,525.09 and 47,508.27 is: 71,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.10 : 155,525.09 = 47,508.27 : x
  2. Step 2: Convert to fraction form
    103,684.10/155,525.09 = 47,508.27/x
  3. Step 3: Cross multiply
    103,684.10x = 155,525.09 × 47,508.27
  4. Step 4: Simplify right side
    103,684.10x = 7,388,727,967.49
  5. Step 5: Solve for x
    x = 7,388,727,967.49/103,684.10
  6. Step 6: Final answer
    x = 71,261.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.