Home / 71,215.20-106,886.19-37,962.72

Finding the Fourth Proportional to 71,215.20, 106,886.19 and 37,962.72

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Solution

The fourth proportional to 71,215.20, 106,886.19 and 37,962.72 is: 56,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215.20 : 106,886.19 = 37,962.72 : x
  2. Step 2: Convert to fraction form
    71,215.20/106,886.19 = 37,962.72/x
  3. Step 3: Cross multiply
    71,215.20x = 106,886.19 × 37,962.72
  4. Step 4: Simplify right side
    71,215.20x = 4,057,690,502.84
  5. Step 5: Solve for x
    x = 4,057,690,502.84/71,215.20
  6. Step 6: Final answer
    x = 56,977.87

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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.