Home / 118,519.24-163,559.64-64,806.52

Finding the Fourth Proportional to 118,519.24, 163,559.64 and 64,806.52

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Solution

The fourth proportional to 118,519.24, 163,559.64 and 64,806.52 is: 89,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,519.24 : 163,559.64 = 64,806.52 : x
  2. Step 2: Convert to fraction form
    118,519.24/163,559.64 = 64,806.52/x
  3. Step 3: Cross multiply
    118,519.24x = 163,559.64 × 64,806.52
  4. Step 4: Simplify right side
    118,519.24x = 10,599,731,080.85
  5. Step 5: Solve for x
    x = 10,599,731,080.85/118,519.24
  6. Step 6: Final answer
    x = 89,434.69

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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.