Home / 92,424.10-138,636.12-36,290.62

Finding the Fourth Proportional to 92,424.10, 138,636.12 and 36,290.62

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Solution

The fourth proportional to 92,424.10, 138,636.12 and 36,290.62 is: 54,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,424.10 : 138,636.12 = 36,290.62 : x
  2. Step 2: Convert to fraction form
    92,424.10/138,636.12 = 36,290.62/x
  3. Step 3: Cross multiply
    92,424.10x = 138,636.12 × 36,290.62
  4. Step 4: Simplify right side
    92,424.10x = 5,031,190,567.74
  5. Step 5: Solve for x
    x = 5,031,190,567.74/92,424.10
  6. Step 6: Final answer
    x = 54,435.92

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1.5x scale

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.