Home / 66,910.56-92,322.48-45,416.88

Finding the Fourth Proportional to 66,910.56, 92,322.48 and 45,416.88

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Solution

The fourth proportional to 66,910.56, 92,322.48 and 45,416.88 is: 62,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.56 : 92,322.48 = 45,416.88 : x
  2. Step 2: Convert to fraction form
    66,910.56/92,322.48 = 45,416.88/x
  3. Step 3: Cross multiply
    66,910.56x = 92,322.48 × 45,416.88
  4. Step 4: Simplify right side
    66,910.56x = 4,192,998,995.46
  5. Step 5: Solve for x
    x = 4,192,998,995.46/66,910.56
  6. Step 6: Final answer
    x = 62,665.73

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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.