Home / 68,119.68-94,031.32-51,173.08

Finding the Fourth Proportional to 68,119.68, 94,031.32 and 51,173.08

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Solution

The fourth proportional to 68,119.68, 94,031.32 and 51,173.08 is: 70,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,119.68 : 94,031.32 = 51,173.08 : x
  2. Step 2: Convert to fraction form
    68,119.68/94,031.32 = 51,173.08/x
  3. Step 3: Cross multiply
    68,119.68x = 94,031.32 × 51,173.08
  4. Step 4: Simplify right side
    68,119.68x = 4,811,872,522.73
  5. Step 5: Solve for x
    x = 4,811,872,522.73/68,119.68
  6. Step 6: Final answer
    x = 70,638.50

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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.