Home / 117,979.16-162,811.67-64,263.66

Finding the Fourth Proportional to 117,979.16, 162,811.67 and 64,263.66

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Solution

The fourth proportional to 117,979.16, 162,811.67 and 64,263.66 is: 88,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,979.16 : 162,811.67 = 64,263.66 : x
  2. Step 2: Convert to fraction form
    117,979.16/162,811.67 = 64,263.66/x
  3. Step 3: Cross multiply
    117,979.16x = 162,811.67 × 64,263.66
  4. Step 4: Simplify right side
    117,979.16x = 10,462,873,483.59
  5. Step 5: Solve for x
    x = 10,462,873,483.59/117,979.16
  6. Step 6: Final answer
    x = 88,684.09

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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.