Home / 118,880.24-164,071.51-73,572.81

Finding the Fourth Proportional to 118,880.24, 164,071.51 and 73,572.81

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Solution

The fourth proportional to 118,880.24, 164,071.51 and 73,572.81 is: 101,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,880.24 : 164,071.51 = 73,572.81 : x
  2. Step 2: Convert to fraction form
    118,880.24/164,071.51 = 73,572.81/x
  3. Step 3: Cross multiply
    118,880.24x = 164,071.51 × 73,572.81
  4. Step 4: Simplify right side
    118,880.24x = 12,071,202,031.64
  5. Step 5: Solve for x
    x = 12,071,202,031.64/118,880.24
  6. Step 6: Final answer
    x = 101,540.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.