Home / 66,286.41-99,379.95-39,985.02

Finding the Fourth Proportional to 66,286.41, 99,379.95 and 39,985.02

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Solution

The fourth proportional to 66,286.41, 99,379.95 and 39,985.02 is: 59,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,286.41 : 99,379.95 = 39,985.02 : x
  2. Step 2: Convert to fraction form
    66,286.41/99,379.95 = 39,985.02/x
  3. Step 3: Cross multiply
    66,286.41x = 99,379.95 × 39,985.02
  4. Step 4: Simplify right side
    66,286.41x = 3,973,709,288.35
  5. Step 5: Solve for x
    x = 3,973,709,288.35/66,286.41
  6. Step 6: Final answer
    x = 59,947.57

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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.