Home / 115,769.40-173,663.70-36,881.40

Finding the Fourth Proportional to 115,769.40, 173,663.70 and 36,881.40

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Solution

The fourth proportional to 115,769.40, 173,663.70 and 36,881.40 is: 55,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,769.40 : 173,663.70 = 36,881.40 : x
  2. Step 2: Convert to fraction form
    115,769.40/173,663.70 = 36,881.40/x
  3. Step 3: Cross multiply
    115,769.40x = 173,663.70 × 36,881.40
  4. Step 4: Simplify right side
    115,769.40x = 6,404,960,385.18
  5. Step 5: Solve for x
    x = 6,404,960,385.18/115,769.40
  6. Step 6: Final answer
    x = 55,325.16

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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.