Home / 66,744.08-92,118.12-38,466.20

Finding the Fourth Proportional to 66,744.08, 92,118.12 and 38,466.20

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Solution

The fourth proportional to 66,744.08, 92,118.12 and 38,466.20 is: 53,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,744.08 : 92,118.12 = 38,466.20 : x
  2. Step 2: Convert to fraction form
    66,744.08/92,118.12 = 38,466.20/x
  3. Step 3: Cross multiply
    66,744.08x = 92,118.12 × 38,466.20
  4. Step 4: Simplify right side
    66,744.08x = 3,543,434,027.54
  5. Step 5: Solve for x
    x = 3,543,434,027.54/66,744.08
  6. Step 6: Final answer
    x = 53,089.86

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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.