Home / 67,298.08-92,874.48-39,012.64

Finding the Fourth Proportional to 67,298.08, 92,874.48 and 39,012.64

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Solution

The fourth proportional to 67,298.08, 92,874.48 and 39,012.64 is: 53,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.08 : 92,874.48 = 39,012.64 : x
  2. Step 2: Convert to fraction form
    67,298.08/92,874.48 = 39,012.64/x
  3. Step 3: Cross multiply
    67,298.08x = 92,874.48 × 39,012.64
  4. Step 4: Simplify right side
    67,298.08x = 3,623,278,653.43
  5. Step 5: Solve for x
    x = 3,623,278,653.43/67,298.08
  6. Step 6: Final answer
    x = 53,839.26

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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.