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Finding the Fourth Proportional to 66,373.92, 99,326.93 and 41,425.65

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Solution

The fourth proportional to 66,373.92, 99,326.93 and 41,425.65 is: 61,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,373.92 : 99,326.93 = 41,425.65 : x
  2. Step 2: Convert to fraction form
    66,373.92/99,326.93 = 41,425.65/x
  3. Step 3: Cross multiply
    66,373.92x = 99,326.93 × 41,425.65
  4. Step 4: Simplify right side
    66,373.92x = 4,114,682,430.63
  5. Step 5: Solve for x
    x = 4,114,682,430.63/66,373.92
  6. Step 6: Final answer
    x = 61,992.46

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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.