Home / 66,462.18-91,714.16-37,777.85

Finding the Fourth Proportional to 66,462.18, 91,714.16 and 37,777.85

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Solution

The fourth proportional to 66,462.18, 91,714.16 and 37,777.85 is: 52,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,462.18 : 91,714.16 = 37,777.85 : x
  2. Step 2: Convert to fraction form
    66,462.18/91,714.16 = 37,777.85/x
  3. Step 3: Cross multiply
    66,462.18x = 91,714.16 × 37,777.85
  4. Step 4: Simplify right side
    66,462.18x = 3,464,763,131.90
  5. Step 5: Solve for x
    x = 3,464,763,131.90/66,462.18
  6. Step 6: Final answer
    x = 52,131.35

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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.