Home / 116,720.22-175,083.84-45,640.02

Finding the Fourth Proportional to 116,720.22, 175,083.84 and 45,640.02

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Solution

The fourth proportional to 116,720.22, 175,083.84 and 45,640.02 is: 68,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,720.22 : 175,083.84 = 45,640.02 : x
  2. Step 2: Convert to fraction form
    116,720.22/175,083.84 = 45,640.02/x
  3. Step 3: Cross multiply
    116,720.22x = 175,083.84 × 45,640.02
  4. Step 4: Simplify right side
    116,720.22x = 7,990,829,959.28
  5. Step 5: Solve for x
    x = 7,990,829,959.28/116,720.22
  6. Step 6: Final answer
    x = 68,461.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.