Home / 68,347.56-94,329.45-40,052.64

Finding the Fourth Proportional to 68,347.56, 94,329.45 and 40,052.64

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Solution

The fourth proportional to 68,347.56, 94,329.45 and 40,052.64 is: 55,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,347.56 : 94,329.45 = 40,052.64 : x
  2. Step 2: Convert to fraction form
    68,347.56/94,329.45 = 40,052.64/x
  3. Step 3: Cross multiply
    68,347.56x = 94,329.45 × 40,052.64
  4. Step 4: Simplify right side
    68,347.56x = 3,778,143,502.25
  5. Step 5: Solve for x
    x = 3,778,143,502.25/68,347.56
  6. Step 6: Final answer
    x = 55,278.40

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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.