Home / 117,751.22-162,468.24-74,715.02

Finding the Fourth Proportional to 117,751.22, 162,468.24 and 74,715.02

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Solution

The fourth proportional to 117,751.22, 162,468.24 and 74,715.02 is: 103,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,751.22 : 162,468.24 = 74,715.02 : x
  2. Step 2: Convert to fraction form
    117,751.22/162,468.24 = 74,715.02/x
  3. Step 3: Cross multiply
    117,751.22x = 162,468.24 × 74,715.02
  4. Step 4: Simplify right side
    117,751.22x = 12,138,817,800.96
  5. Step 5: Solve for x
    x = 12,138,817,800.96/117,751.22
  6. Step 6: Final answer
    x = 103,088.68

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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.