Home / 91,636.34-126,466.18-53,393.90

Finding the Fourth Proportional to 91,636.34, 126,466.18 and 53,393.90

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Solution

The fourth proportional to 91,636.34, 126,466.18 and 53,393.90 is: 73,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,636.34 : 126,466.18 = 53,393.90 : x
  2. Step 2: Convert to fraction form
    91,636.34/126,466.18 = 53,393.90/x
  3. Step 3: Cross multiply
    91,636.34x = 126,466.18 × 53,393.90
  4. Step 4: Simplify right side
    91,636.34x = 6,752,522,568.30
  5. Step 5: Solve for x
    x = 6,752,522,568.30/91,636.34
  6. Step 6: Final answer
    x = 73,688.26

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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.