Home / 66,021.52-99,095.16-40,985.80

Finding the Fourth Proportional to 66,021.52, 99,095.16 and 40,985.80

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Solution

The fourth proportional to 66,021.52, 99,095.16 and 40,985.80 is: 61,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,021.52 : 99,095.16 = 40,985.80 : x
  2. Step 2: Convert to fraction form
    66,021.52/99,095.16 = 40,985.80/x
  3. Step 3: Cross multiply
    66,021.52x = 99,095.16 × 40,985.80
  4. Step 4: Simplify right side
    66,021.52x = 4,061,494,408.73
  5. Step 5: Solve for x
    x = 4,061,494,408.73/66,021.52
  6. Step 6: Final answer
    x = 61,517.74

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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.