Home / 70,137.84-96,790.08-38,306.64

Finding the Fourth Proportional to 70,137.84, 96,790.08 and 38,306.64

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Solution

The fourth proportional to 70,137.84, 96,790.08 and 38,306.64 is: 52,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,137.84 : 96,790.08 = 38,306.64 : x
  2. Step 2: Convert to fraction form
    70,137.84/96,790.08 = 38,306.64/x
  3. Step 3: Cross multiply
    70,137.84x = 96,790.08 × 38,306.64
  4. Step 4: Simplify right side
    70,137.84x = 3,707,702,750.13
  5. Step 5: Solve for x
    x = 3,707,702,750.13/70,137.84
  6. Step 6: Final answer
    x = 52,863.09

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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.