Home / 117,703.13-176,632.45-55,378.49

Finding the Fourth Proportional to 117,703.13, 176,632.45 and 55,378.49

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Solution

The fourth proportional to 117,703.13, 176,632.45 and 55,378.49 is: 83,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,703.13 : 176,632.45 = 55,378.49 : x
  2. Step 2: Convert to fraction form
    117,703.13/176,632.45 = 55,378.49/x
  3. Step 3: Cross multiply
    117,703.13x = 176,632.45 × 55,378.49
  4. Step 4: Simplify right side
    117,703.13x = 9,781,637,344.39
  5. Step 5: Solve for x
    x = 9,781,637,344.39/117,703.13
  6. Step 6: Final answer
    x = 83,104.31

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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.