Home / 117,553.40-176,312.10-38,667.80

Finding the Fourth Proportional to 117,553.40, 176,312.10 and 38,667.80

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Solution

The fourth proportional to 117,553.40, 176,312.10 and 38,667.80 is: 57,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.40 : 176,312.10 = 38,667.80 : x
  2. Step 2: Convert to fraction form
    117,553.40/176,312.10 = 38,667.80/x
  3. Step 3: Cross multiply
    117,553.40x = 176,312.10 × 38,667.80
  4. Step 4: Simplify right side
    117,553.40x = 6,817,601,020.38
  5. Step 5: Solve for x
    x = 6,817,601,020.38/117,553.40
  6. Step 6: Final answer
    x = 57,995.78

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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.