Home / 117,746.22-162,461.34-74,710.02

Finding the Fourth Proportional to 117,746.22, 162,461.34 and 74,710.02

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Solution

The fourth proportional to 117,746.22, 162,461.34 and 74,710.02 is: 103,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,746.22 : 162,461.34 = 74,710.02 : x
  2. Step 2: Convert to fraction form
    117,746.22/162,461.34 = 74,710.02/x
  3. Step 3: Cross multiply
    117,746.22x = 162,461.34 × 74,710.02
  4. Step 4: Simplify right side
    117,746.22x = 12,137,489,960.63
  5. Step 5: Solve for x
    x = 12,137,489,960.63/117,746.22
  6. Step 6: Final answer
    x = 103,081.78

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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.