Home / 66,164.04-99,245.25-31,078.89

Finding the Fourth Proportional to 66,164.04, 99,245.25 and 31,078.89

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Solution

The fourth proportional to 66,164.04, 99,245.25 and 31,078.89 is: 46,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,164.04 : 99,245.25 = 31,078.89 : x
  2. Step 2: Convert to fraction form
    66,164.04/99,245.25 = 31,078.89/x
  3. Step 3: Cross multiply
    66,164.04x = 99,245.25 × 31,078.89
  4. Step 4: Simplify right side
    66,164.04x = 3,084,432,207.77
  5. Step 5: Solve for x
    x = 3,084,432,207.77/66,164.04
  6. Step 6: Final answer
    x = 46,617.95

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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.