Home / 103,666.13-155,311.46-47,553.18

Finding the Fourth Proportional to 103,666.13, 155,311.46 and 47,553.18

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Solution

The fourth proportional to 103,666.13, 155,311.46 and 47,553.18 is: 71,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.13 : 155,311.46 = 47,553.18 : x
  2. Step 2: Convert to fraction form
    103,666.13/155,311.46 = 47,553.18/x
  3. Step 3: Cross multiply
    103,666.13x = 155,311.46 × 47,553.18
  4. Step 4: Simplify right side
    103,666.13x = 7,385,553,171.58
  5. Step 5: Solve for x
    x = 7,385,553,171.58/103,666.13
  6. Step 6: Final answer
    x = 71,243.65

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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.