Home / 66,642.60-99,961.44-16,723.08

Finding the Fourth Proportional to 66,642.60, 99,961.44 and 16,723.08

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Solution

The fourth proportional to 66,642.60, 99,961.44 and 16,723.08 is: 25,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,642.60 : 99,961.44 = 16,723.08 : x
  2. Step 2: Convert to fraction form
    66,642.60/99,961.44 = 16,723.08/x
  3. Step 3: Cross multiply
    66,642.60x = 99,961.44 × 16,723.08
  4. Step 4: Simplify right side
    66,642.60x = 1,671,663,158.04
  5. Step 5: Solve for x
    x = 1,671,663,158.04/66,642.60
  6. Step 6: Final answer
    x = 25,084.00

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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.