Home / 85,200.22-117,576.75-49,411.45

Finding the Fourth Proportional to 85,200.22, 117,576.75 and 49,411.45

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Solution

The fourth proportional to 85,200.22, 117,576.75 and 49,411.45 is: 68,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,200.22 : 117,576.75 = 49,411.45 : x
  2. Step 2: Convert to fraction form
    85,200.22/117,576.75 = 49,411.45/x
  3. Step 3: Cross multiply
    85,200.22x = 117,576.75 × 49,411.45
  4. Step 4: Simplify right side
    85,200.22x = 5,809,637,703.79
  5. Step 5: Solve for x
    x = 5,809,637,703.79/85,200.22
  6. Step 6: Final answer
    x = 68,188.06

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1.5x scale

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.