Home / 117,129.29-175,726.76-47,057.81

Finding the Fourth Proportional to 117,129.29, 175,726.76 and 47,057.81

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Solution

The fourth proportional to 117,129.29, 175,726.76 and 47,057.81 is: 70,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,129.29 : 175,726.76 = 47,057.81 : x
  2. Step 2: Convert to fraction form
    117,129.29/175,726.76 = 47,057.81/x
  3. Step 3: Cross multiply
    117,129.29x = 175,726.76 × 47,057.81
  4. Step 4: Simplify right side
    117,129.29x = 8,269,315,370.07
  5. Step 5: Solve for x
    x = 8,269,315,370.07/117,129.29
  6. Step 6: Final answer
    x = 70,599.90

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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.