Home / 105,553.18-158,336.25-46,416.70

Finding the Fourth Proportional to 105,553.18, 158,336.25 and 46,416.70

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Solution

The fourth proportional to 105,553.18, 158,336.25 and 46,416.70 is: 69,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,553.18 : 158,336.25 = 46,416.70 : x
  2. Step 2: Convert to fraction form
    105,553.18/158,336.25 = 46,416.70/x
  3. Step 3: Cross multiply
    105,553.18x = 158,336.25 × 46,416.70
  4. Step 4: Simplify right side
    105,553.18x = 7,349,446,215.38
  5. Step 5: Solve for x
    x = 7,349,446,215.38/105,553.18
  6. Step 6: Final answer
    x = 69,627.90

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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.