Home / 66,666.48-92,002.60-36,450.00

Finding the Fourth Proportional to 66,666.48, 92,002.60 and 36,450.00

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Solution

The fourth proportional to 66,666.48, 92,002.60 and 36,450.00 is: 50,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,666.48 : 92,002.60 = 36,450.00 : x
  2. Step 2: Convert to fraction form
    66,666.48/92,002.60 = 36,450.00/x
  3. Step 3: Cross multiply
    66,666.48x = 92,002.60 × 36,450.00
  4. Step 4: Simplify right side
    66,666.48x = 3,353,494,643.06
  5. Step 5: Solve for x
    x = 3,353,494,643.06/66,666.48
  6. Step 6: Final answer
    x = 50,302.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.